EP1788048A1 - Hochfeste, antikorrosive beschichtungszusammensetzung, hochfeste, schnellhärtende, antikorrosive beschichtungszusammensetzung, beschichtungsverfahren für ein schiff oder ähnliches, hochfester, antikorrosiver film und daraus gewonnener schellhärtender, hochfester, antikorrosiver film sowie beschichtetes schiff und mit diesem beschichtungsfilm beschichtete unterwasserstruktur - Google Patents
Hochfeste, antikorrosive beschichtungszusammensetzung, hochfeste, schnellhärtende, antikorrosive beschichtungszusammensetzung, beschichtungsverfahren für ein schiff oder ähnliches, hochfester, antikorrosiver film und daraus gewonnener schellhärtender, hochfester, antikorrosiver film sowie beschichtetes schiff und mit diesem beschichtungsfilm beschichtete unterwasserstruktur Download PDFInfo
- Publication number
- EP1788048A1 EP1788048A1 EP05770522A EP05770522A EP1788048A1 EP 1788048 A1 EP1788048 A1 EP 1788048A1 EP 05770522 A EP05770522 A EP 05770522A EP 05770522 A EP05770522 A EP 05770522A EP 1788048 A1 EP1788048 A1 EP 1788048A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- solids
- coating composition
- anticorrosive coating
- coating
- epoxy resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- 238000000034 method Methods 0.000 title claims description 85
- 239000003822 epoxy resin Substances 0.000 claims abstract description 205
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 205
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- 229920001577 copolymer Polymers 0.000 claims abstract description 91
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- 150000003505 terpenes Chemical class 0.000 claims abstract description 28
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims abstract description 27
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- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 147
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- 239000002184 metal Substances 0.000 claims description 56
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- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 48
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- XMSVKICKONKVNM-UHFFFAOYSA-N bicyclo[2.2.1]heptane-3,4-diamine Chemical compound C1CC2(N)C(N)CC1C2 XMSVKICKONKVNM-UHFFFAOYSA-N 0.000 claims description 32
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- 229920002554 vinyl polymer Polymers 0.000 claims description 24
- RNLHGQLZWXBQNY-UHFFFAOYSA-N 3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine Chemical compound CC1(C)CC(N)CC(C)(CN)C1 RNLHGQLZWXBQNY-UHFFFAOYSA-N 0.000 claims description 23
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- FDLQZKYLHJJBHD-UHFFFAOYSA-N [3-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=CC(CN)=C1 FDLQZKYLHJJBHD-UHFFFAOYSA-N 0.000 claims description 14
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- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 12
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 12
- KEIQPMUPONZJJH-UHFFFAOYSA-N dicyclohexylmethanediamine Chemical compound C1CCCCC1C(N)(N)C1CCCCC1 KEIQPMUPONZJJH-UHFFFAOYSA-N 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 12
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 9
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- 229940072033 potash Drugs 0.000 claims description 9
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 9
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- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 5
- WTYYGFLRBWMFRY-UHFFFAOYSA-N 2-[6-(oxiran-2-ylmethoxy)hexoxymethyl]oxirane Chemical compound C1OC1COCCCCCCOCC1CO1 WTYYGFLRBWMFRY-UHFFFAOYSA-N 0.000 claims description 4
- KUAUJXBLDYVELT-UHFFFAOYSA-N 2-[[2,2-dimethyl-3-(oxiran-2-ylmethoxy)propoxy]methyl]oxirane Chemical compound C1OC1COCC(C)(C)COCC1CO1 KUAUJXBLDYVELT-UHFFFAOYSA-N 0.000 claims description 4
- MECNWXGGNCJFQJ-UHFFFAOYSA-N 3-piperidin-1-ylpropane-1,2-diol Chemical compound OCC(O)CN1CCCCC1 MECNWXGGNCJFQJ-UHFFFAOYSA-N 0.000 claims description 4
- OAOABCKPVCUNKO-UHFFFAOYSA-N 8-methyl Nonanoic acid Chemical compound CC(C)CCCCCCC(O)=O OAOABCKPVCUNKO-UHFFFAOYSA-N 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 4
- 150000002118 epoxides Chemical class 0.000 claims description 4
- 239000004711 α-olefin Substances 0.000 claims description 4
- 125000005037 alkyl phenyl group Chemical group 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims 6
- 239000004615 ingredient Substances 0.000 abstract description 25
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical class C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 abstract description 23
- 239000003960 organic solvent Substances 0.000 abstract description 15
- 239000004848 polyfunctional curative Substances 0.000 abstract 3
- 239000002075 main ingredient Substances 0.000 abstract 1
- 238000001723 curing Methods 0.000 description 249
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- 238000013035 low temperature curing Methods 0.000 description 41
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 30
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 27
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- 125000004432 carbon atom Chemical group C* 0.000 description 22
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- 239000001257 hydrogen Substances 0.000 description 20
- 229910052739 hydrogen Inorganic materials 0.000 description 20
- 150000002989 phenols Chemical class 0.000 description 19
- 125000000217 alkyl group Chemical group 0.000 description 18
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- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 17
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 17
- 230000008569 process Effects 0.000 description 17
- 125000001424 substituent group Chemical group 0.000 description 17
- 239000000049 pigment Substances 0.000 description 16
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 15
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 15
- 239000001294 propane Substances 0.000 description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 14
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- KZCOBXFFBQJQHH-UHFFFAOYSA-N octane-1-thiol Chemical compound CCCCCCCCS KZCOBXFFBQJQHH-UHFFFAOYSA-N 0.000 description 1
- 150000002903 organophosphorus compounds Chemical class 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- LYKRPDCJKSXAHS-UHFFFAOYSA-N phenyl-(2,3,4,5-tetrahydroxyphenyl)methanone Chemical compound OC1=C(O)C(O)=CC(C(=O)C=2C=CC=CC=2)=C1O LYKRPDCJKSXAHS-UHFFFAOYSA-N 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- DSNYFFJTZPIKFZ-UHFFFAOYSA-N propoxybenzene Chemical group CCCOC1=CC=CC=C1 DSNYFFJTZPIKFZ-UHFFFAOYSA-N 0.000 description 1
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 239000007870 radical polymerization initiator Substances 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 description 1
- 229930004725 sesquiterpene Natural products 0.000 description 1
- 150000004354 sesquiterpene derivatives Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004334 sorbic acid Substances 0.000 description 1
- 235000010199 sorbic acid Nutrition 0.000 description 1
- 229940075582 sorbic acid Drugs 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000003784 tall oil Substances 0.000 description 1
- 125000001302 tertiary amino group Chemical group 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 150000003573 thiols Chemical class 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- WEAZWKYSTGLBSQ-UHFFFAOYSA-N tributylsilyl 2-methylprop-2-enoate Chemical compound CCCC[Si](CCCC)(CCCC)OC(=O)C(C)=C WEAZWKYSTGLBSQ-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- RXJKFRMDXUJTEX-UHFFFAOYSA-N triethylphosphine Chemical compound CCP(CC)CC RXJKFRMDXUJTEX-UHFFFAOYSA-N 0.000 description 1
- 125000000025 triisopropylsilyl group Chemical group C(C)(C)[Si](C(C)C)(C(C)C)* 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 150000003648 triterpenes Chemical class 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 229920006163 vinyl copolymer Polymers 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- FJKIXWOMBXYWOQ-UHFFFAOYSA-N vinyl ethyl ether Natural products CCOC=C FJKIXWOMBXYWOQ-UHFFFAOYSA-N 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- XKMZOFXGLBYJLS-UHFFFAOYSA-L zinc;prop-2-enoate Chemical compound [Zn+2].[O-]C(=O)C=C.[O-]C(=O)C=C XKMZOFXGLBYJLS-UHFFFAOYSA-L 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/4007—Curing agents not provided for by the groups C08G59/42 - C08G59/66
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/62—Alcohols or phenols
- C08G59/621—Phenols
- C08G59/623—Aminophenols
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/26—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers modified by chemical after-treatment
- C09D123/28—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D157/00—Coating compositions based on unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09D157/02—Copolymers of mineral oil hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31511—Of epoxy ether
- Y10T428/31515—As intermediate layer
- Y10T428/31522—Next to metal
Definitions
- the present invention relates to a high-solids anticorrosive coating composition, a high-solids rapid-curing anticorrosive coating composition, a method for painting the exterior of a ship using these anticorrosive coating compositions, a high-solids anticorrosive coating film and a high-solids anticorrosive coating film formed from these anticorrosive coating compositions, a painted ship coated with these anticorrosive coating films, a painted ship coated with a coating film formed by the method for painting the exterior of a ship, and an underwater structure coated with the anticorrosive coating film.
- the invention relates to a high-solids anticorrosive coating composition of a tar-free epoxy anticorrosive paint, which is excellent in low-solvent-content property, low-temperature curability, anticorrosion property and interlaminar adhesion and can exhibits anticorrosion property nearly equal to that of a conventional tar-based epoxy anticorrosive paint.
- a ship is build by manufacturing individual blocks and assembling them, so that the painting work needs to be carried out for each block from the viewpoint of workability. Also in the individual blocks, it is necessary to carry out painting of their parts using different coatings for individual parts, so that the painting work becomes extremely complicated, and there are many painting failures. In such a painting process, further, the interval between uses of the paints (coatings) becomes long in many cases, and before the next use, general epoxy coatings of two-liquid reaction curing type are cured, so that the coatings have been often wasted.
- a universal primer single primer having excellent weathering resistance, adhesion to various finish coatings and anticorrosion property
- single primer coating can be carried out on all the blocks having been subjected to surface treatment, and therefore, complicatedness, painting failure, waste of coatings, etc. are removed.
- an anticorrosive coating composition comprising an epoxy resin, a vinyl chloride-based copolymer and a curing agent composed of polyamide or its modification product has been developed (for example, patent documents 1 and 2).
- the solids content (volume solid) in the paint composition becomes about 60% and the content of the solvent is the rest, i.e., about 40%, and is high, so that it is insufficient to the VOC regulation (regulation of total emission of solvent). That is to say, because the universal primer is used as a single primer for all the blocks and their painting parts, the total amount of the solvent becomes large, and this exert influence on the amount of the solvent liberated into the environment. Accordingly, low-solvent-content property has been desired from the viewpoint of environmental protection. From such a viewpoint and also from the VOC regulation (regulation of total emission of solvent), high solids (solids content: 72 to 100% by volume) are preferable because the solvent content is decreased, and the evil influence on the environment is reduced.
- the anticorrosive paint In order that painting of ships can be carried out even in the winter season or in the cold district, the anticorrosive paint needs to be readily cured at low temperatures.
- the conventional anticorrosive paints however, have different curing rates depending upon temperatures, so that it is necessary to use two kinds of paints having different formulations, namely, a paint for the summer season and a paint for the winter season.
- an anticorrosive coating composition comprising a main agent component containing a liquid epoxy resin of bisphenol A type and an amine-based curing agent that uses aliphatic polyamine, alicyclic polyamine, aromatic polyamine, polyamide and the like singly or in combination (for example, patent document 3).
- This high-solids anticorrosion paint has a solids content of about 80% by weight and has a solvent content of about 20% by weight, so that it has excellent low-solvent-content property and is useful as a countermeasure to the VOC regulation.
- Mannich type curing agents formed by Mannich condensation reaction of phenols, aldehydes and amine compounds, adducts thereof, Mannich type curing agents (Phenolkamine) similarly formed by Mannich condensation reaction of cardanol, aldehydes and amine compounds, adducts thereof, etc.
- the present invention is intended to solve such problems associated with the prior art as described above, and it is an object of the present invention to provide a high-solids anticorrosive coating composition, which is a composition of high-solids type (solids content: 72 to 100% by volume), has a low content of a solvent and excellent low-solvent-content property, is excellent in anticorrosion property, weathering resistance and adhesion to various finish coating films, is not deteriorated in the adhesion to the finish coating films even if the interval before the finish coating operation is long, and is applicable to various painting parts of a ship by merely using one kind of an anticorrosive paint even if the type and the amount (formulation, quantity ratio) of the anticorrosive paint are not changed for each part of a ship.
- a high-solids anticorrosive coating composition which is a composition of high-solids type (solids content: 72 to 100% by volume), has a low content of a solvent and excellent low-solvent-content property, is excellent in anticorrosion property, weather
- the first high-solids anticorrosive coating composition according to the present invention is a paint composition comprising:
- the main agent component (A) desirably further comprises (a3) a polymerizable (meth)acrylate monomer in addition to the epoxy resin (a1) and "at least one additive (a2) selected from the group consisting of the reactive diluent (a2-1) having an epoxy group and the modified epoxy resin (a2-2)".
- the main agent component (A) comprises the epoxy resin (a1), the additive (a2) or the coating film modifier (ab), and if necessary, the polymerizable (meth)acrylate monomer (a3) (as shown in, for example, Examples 1 to 15 of Tables 1 and 2), or the main agent component (A) comprises the epoxy resin (a1), the additive (a2), and if necessary, the polymerizable (meth)acrylate monomer (a3) (as shown in, for example, Examples 16 to 18 of Table 7), and the curing agent component (B) comprises the coating film modifier (ab).
- the solids content of the coating film-forming component in the anticorrosive coating composition is in the range of preferably 72 to 100% by volume, particularly preferably 75 to 85% by volume.
- a primer composition according to the present invention comprises any one of the above high-solids anticorrosive coating composition.
- the first high-solids rapid-curing anticorrosive coating composition according to the present invention is a paint composition comprising:
- the second high-solids rapid-curing anticorrosive coating composition according to the present invention is a paint composition comprising:
- the main agent component (A) preferably further comprises (a3) a polymerizable (meth)acrylate monomer in addition to the epoxy resin (a1) and "at least one additive (a2) selected from the group consisting of the reactive diluent (a2-1) having an epoxy group and the modified epoxy resin (a2-2)".
- the solids content of the coating film-forming component in the anticorrosive coating composition is preferably in the range of 72 to 100% by volume.
- the main agent component (A) and/or the curing agent component (B) preferably contains a high-boiling point solvent having a boiling point of higher than 150°C at atmospheric pressure.
- the main agent component (A) preferably further contains at least one filler selected from the group consisting of barium sulfate, potash feldspar and titanium white.
- the main agent component (A) preferably further contains talc.
- the epoxy resin (a1) is preferably at least one resin selected from the group consisting of a bisphenol A type epoxy resin, a bisphenol AD type epoxy resin and a bisphenol F type epoxy resin.
- the reactive diluent (a2-1) having an epoxy group is preferably at least one substance selected from the group consisting of phenyl glicidyl ether, alkyl glycidyl ether, glycidyl ester of versatic acid, ⁇ -olefin epoxide, 1,6-hexanediol diglycidyl ether, neopentyl glycol diglycidyl ether, trimethylolpropane triglycidyl ether and alkylphenyl glycidiyl ether.
- the modified epoxy resin (a2-2) is preferably a dimer acid modified epoxy resin and/or an epoxy resin in which an aromatic ring is hydrogenated.
- the polymerizable (meth)acrylate monomer (a3) is preferably a monofunctional or polyfunctional aliphatic (meth)acrylate monomer and/or a monofunctinal or polyfunctional aromatic (meth)acrylate monomer.
- the alicyclic amine-based curing agent (b1) is preferably an adduct of norbornanediamine with an epoxy resin and/or an adduct of isophoronediamine with an epoxy resin.
- the Mannich type curing agent (b2) is preferably a Mannich type curing agent formed by Mannich condensation reaction of a phenol, an aldehyde and an amine compound, or an adduct of the Mannich type curing agent with an epoxy resin.
- the Mannich type curing agent (b2) is also preferably a Mannich type curing agent formed by Mannich condensation reaction of a phenol, an aldehyde, and polyaminoalkylbenzene or alicyclic polyamine.
- the Mannich type curing agent (b2) is also preferably a Mannich type curing agent formed by Mannich condensation reaction of a phenol, an aldehyde, and one or more amine compounds of xylylenediamine, isophoronediamine, norbornanediamine, diaminodicyclohexylmethane and bis(aminomethyl)cyclohexane.
- the Mannich type curing agent (b2) is also preferably a Mannich type curing agent formed by Mannich condensation reaction of a phenol, formaldehyde, and one or more amine compounds of metaxylylenediamine, isophoronediamine, norbornanediamine, diaminodicyclohexylmethane and bis(aminomethyl)cyclohexane.
- the high-solids rapid-curing anticorrosive coating composition of the invention preferably forms a coating film having a curing time of not more than 8 hours and preferably has a pot life of 10 minutes to 40 minutes.
- the first method for painting the exterior of a ship according to the present invention is a method comprising:
- the second method for painting the exterior of a ship according to the present invention is a method comprising:
- the third method for painting the exterior of a ship according to the present invention is a method comprising:
- the finish coating for outside board is at least one coating selected from a urethane-based coating, an epoxy-based coating, an acrylic-based coating and a chlorinated polyolefin-based coating
- the finish coating for boot topping is at least one coating selected from a urethane-based coating, an epoxy-based coating, an acrylic-based coating, a chlorinated polyolefin-based coating and an organotin-free hydrolyzable antifouling paint.
- the organotin-free hydrolyzable antifouling paint contains a trialkylsilyl ester copolymer containing constituent units derived-from trialkylsilyl ester of a polymerizable unsaturated carboxylic acid in amounts of usually 10 to 65% by weight, preferably 20 to 65% by weight, and having a number-average molecular weight (Mn) of 1000 to 50000.
- the organotin-free hydrolyzable antifouling paint preferably contains a vinyl-based resin in which an organic acid is bonded to at least one side chain end through an intermolecular bond owing to a metal ion (metal salt bond).
- the method for painting the exterior of a ship according to the present invention is a method comprising:
- the method of the invention preferably comprises:
- the method of the invention preferably comprises:
- the finish coating for outside board is at least one coating selected from a urethane-based coating, an epoxy-based coating, an acrylic-based coating and a chlorinated polyolefin-based coating
- the finish coating for deck is at least one coating selected from a urethane-based coating, an epoxy-based coating, an acrylic-based coating and a chlorinated polyolefin-based coating.
- the finish coating for outside board is at least one coating selected from a urethane-based coating, an epoxy-based coating, an acrylic-based coating and a chlorinated polyolefin-based coating
- the finish coating for deck is at least one coating selected from a urethane-based coating, an epoxy-based coating, an acrylic-based coating and a chlorinated polyolefin-based coating
- the finish coating for superstructure is at least one coating selected from a urethane-based coating, an epoxy-based coating, an acrylic-based coating and a chlorinated polyolefin-based coating.
- the organotin-free hydrolyzable antifouling paint is preferably an organotin-free hydrolyzable antifouling paint containing, as a binder component, at least one hydrolyzable resin selected from the group consisting of (i) a trialkylsilyl ester copolymer, (ii) a resin wherein an organic acid is bonded to at least one side chain end of a vinyl-based resin through an intermolecular bond owing to a metal ion (metal salt bond), and (iii) an unsaturated carboxylic acid metal salt-based copolymer.
- a hydrolyzable resin selected from the group consisting of (i) a trialkylsilyl ester copolymer, (ii) a resin wherein an organic acid is bonded to at least one side chain end of a vinyl-based resin through an intermolecular bond owing to a metal ion (metal salt bond), and (iii) an unsaturated carboxylic acid metal salt-
- the trialkylsilyl ester copolymer (i) contained in the organotin-free hydrolyzable antifouling paint contains constituent units derived from trialkylsilyl ester of a polymerizable unsaturated carboxylic acid in amounts of 10 to 65% by weight, preferably 20 to 65% by weight, and has a number-average molecular weight (Mn, measured by GPC, in terms of polystyrene, the same shall apply hereinafter) of 1000 to 50000.
- Mn number-average molecular weight
- the painting method with a high-solids rapid-curing anticorrosive coating composition comprises forcedly feeding the main agent component (A) and the curing agent component (B) for constituting any one of the above high-solids rapid-curing anticorrosive coating compositions to a static mixer through different feed pipes, mixing them, then guiding the resulting high-solids rapid-curing anticorrosive coating composition to a spray gun and coating a base surface with the composition.
- the first high-solids anticorrosive coating film according to the present invention is formed from any one of the above high-solids anticorrosive coating compositions.
- the second high-solids rapid-cured anticorrosive coating film according to the present invention is formed from any one of the above high-solids rapid-curing anticorrosive coating compositions.
- the first painted ship according to the present invention is a ship coated with a high-solids anticorrosive coating film (first coating film) formed from any one of the above high-solids anticorrosive coating compositions.
- the first painted ship of the invention is preferably a ship coated with a coating film formed by any one of the above methods for painting the exterior of a ship.
- the exposed deck, the cargo tank and the ballast tank according to the present invention are each coated with a high-solids anticorrosive coating film (first coating film) formed from any one of the above high-solids anticorrosive coating compositions or a high-solids rapid-cured anticorrosive coating film (second coating film) formed from any one of the above high-solids rapid-curing anticorrosive coating compositions.
- the first underwater structure according to the present invention is coated with a high-solids anticorrosive coating film formed from any one of the above high-solids anticorrosive coating compositions.
- the second underwater structure according to the present invention is coated with a high-solids rapid-cured anticorrosive coating film formed from any one of the above high-solids rapid-curing anticorrosive coating compositions.
- the high-solids anticorrosive coating composition set according to the present invention comprises:
- the high-solids anticorrosive coating composition of the invention has a high content of solids and has excellent low-solvent-content property, it is effective from the viewpoints of improvement in hygiene of painting workers and environmental protection. Further, the high-solids anticorrosive coating composition of the invention is applicable to various parts of a ship by merely using one kind of an anticorrosive paint even if the type and the amount of the anticorrosive paint are not changed for each part of a ship, and a coating film obtained from this anticorrosive paint is excellent in anticorrosion property, weathering resistance and adhesion to various finish coating films and is not deteriorated in the adhesion to the finish coating films even if the interval before the finish coating operation is long.
- the all-season type high-solids anticorrosive coating composition of the invention is rapidly dried after application and secures a sufficient pot life, so that it can be used irrespective of seasons and temperatures.
- the low-temperature curing type high-solids anticorrosive coating composition of the invention has excellent curability at low temperatures (not higher than 0°C), so that it can be favorably used even in the winter season and on the low-temperature occasions.
- the high-solids rapid-curing anticorrosive coating composition of the invention has the following advantages: it is a tar-free anticorrosive paint; it has a high content of solids and a low content of a solvent in the painting process; it has such excellent high-solids property and rapid curability that coating operations of as many as twice a day (1 day 2 coatings, 2 coat/day) can be realized; it has excellent low-temperature curability and a proper pot life; a coating film of desired thickness can be readily obtained in a short painting time with a small number of coating times by devising a painting method to increase efficiency of coating operations; and the resulting coating film has excellent anticorrosion property and interlaminer adhesion, exhibits anticorrosion property nearly equal to that of a coating film of a conventional tar-based epoxy anticorrosive paint, and can be favorably used for various parts of a ship, such as a cargo tank and a ballast tank.
- the high-solids anticorrosive coating composition set of the invention has excellent storage stability, can secure a proper pot life by mixing a main agent component unit with a curing agent unit at the time of painting, can provide a paint exhibiting the above-mentioned high-solids property and rapid curability, and can efficiently form a coating film having excellent anticorrosion property and interlaminar adhesion, having a single layer structure or a multilayer structure and having a desired thickness, by coating the desired parts with the paint so as to give the above layer structure.
- high-solids anticorrosive coating composition first paint
- high-solids rapid-curing anticorrosive coating composition of the invention these are together sometimes referred to as "high-solids anticorrosion paint composition” or “anticorrosive paint” simply hereinafter
- the method for painting the exterior of a ship using these paint compositions, the resulting high-solids anticorrosive coating film and high-solids rapid-cured anticorrosive coating film, and the painted ship and the painted underwater structure coated with these coating films are described in detail hereinafter.
- the high-solids anticorrosive coating composition of the invention is applied mainly onto the exterior of a ship or the like, as described in detail hereinafter.
- the high-solids rapid-curing anticorrosive coating composition (second paint) of the invention can be used for the same purpose as that of the first paint, but it is preferably used as an anticorrosive paint particularly for a cargo tank, a ballast tank, etc. inside a ship.
- Conventional tar epoxy paints enable painting (coating) operation of about once a day, but this second paint has a proper pot life and enables painting operations (e.g., airless coating) of many times for a short period of time by devising a painting method, and for example, painting (coating) operations of as many as twice a day (1 day 2 coatings, 2 coat/day) are possible.
- the second paint is excellent in the high-solids property, moderate rapid curability for the working and curability at low temperatures, and enables rationalization and shortening of a term and a process to increase production efficiency.
- the high-solids rapid-curing anticorrosive coating composition can be used by forcedly feeding components for constituting the high-solids rapid-curing anticorrosive coating composition (main agent component (A) and curing agent component (B)) to a static mixer through different feed pipes, mixing them, then guiding the resulting high-solids rapid-curing anticorrosive coating composition to a spray gun (2-cylinder airless spray coater) and coating a base surface with the composition.
- the components may be stirred and mixed during the line transportation.
- a primary (air) pressure of 1 to 5 kgf/cm 2 and a secondary (paint) pressure of 100 to 300 kgf/cm 2 are adoptable, and more specifically, there can be mentioned a primary (air) pressure of 3 kgf/cm 2 , a secondary (paint) pressure of 240 kgf/cm 2 , a spray gun traveling rate of 50 to 120 cm/sec, and a distance, between an object to be painted and a spray gun, of 15 to 100 cm.
- this painting method as a painting method with the high-solids rapid-curing anticorrosive coating composition
- proper control of a pot life of the paint can be favorably carried out according to the drying/curing time of the paint and the building process or term of a ship or the like, and for example, proper control can be carried out so that the pot life of the paint should become 10 minutes or more and the time required for drying/curing the resulting coating film should become not more than 8 hours.
- this second paint is characterized in that it does not substantially contain a low-boiling point organic solvent having a boiling point of not higher than 150°C at atmospheric pressure as a volatile organic compound (particularly a solvent) and substantially contains (only) a high-boiling point organic solvent having a boiling point of higher than 150°C at atmospheric pressure, e.g., preferably benzyl alcohol (boiling point: 205.45°C), and is advantageous also from the viewpoints of improvement of the painting environment for workers and countermeasure to the VOC (volatile organic compound) regulation because a volatile organic solvent is not used (VOC-free).
- the upper limit of the boiling point of the high-boiling point organic solvent is not specifically restricted, it is usually 350°C or below it.
- the high-boiling point organic solvent is desirably contained in an amount of 0.01 to 20% by weight, preferably about 1 to 7% by weight, in other words, in an amount of 0.01 to 20 parts by weight, preferably 1 to 7 parts by weight, based on 100 parts by weight of the solids (film-forming component) in the paint, from the viewpoint of security of painting workability and anticorrosion property of the coated surface of an object.
- Paints heretofore called “rapid-curing paints” are not used in such a manner that their components are forcedly fed to a static mixer, mixed, then guided to a spray gun and sprayed, as in the present invention, but a "tip mixing method" wherein the components (e.g., main agent and curing agent) are directly mixed at the tip of a spray gun and sprayed has been adopted.
- This tip mixing method is adopted in the painting with urethane resin coatings using reaction of polyol or thiol with isocyanate or urea resin coatings using reaction of isocyanate with amine.
- Amine-curing solvent-free coatings using conventional low-molecular epoxy resins (liquid epoxy resins) have a drawback in a balance between a pot life and a drying/curing time of the resulting coating film.
- coatings which are solvent-free coatings and use low-molecular epoxy resins and amine-based resins, present exothermic reaction, and after mixing, the viscosity of the coatings is rapidly increased with temperature rise, and they have a short pot life, resulting in disadvantages in the painting workability.
- the pot life (period of time in which the viscosity does not hinder the painting work) of the coatings is lengthened considering painting workability important, the time required for drying and curing the coating film becomes long, and this is unsuitable from the viewpoint of performance of rapid shipbuilding.
- the drying/curing time of the above coatings is shortened considering performance of rapid shipbuilding important, the pot life becomes too short, and this hinders the painting workability.
- the drying/curing time of the coating film tends to become long, and this is disadvantageous from the viewpoint of performance of rapid shipbuilding.
- the high-solids anticorrosive coating compositions of the invention are classified into a high-solids anticorrosive coating composition of all-season type and a (low-temperature curing type) high-solids anticorrosive coating composition having particularly excellent low-temperature curability.
- the high-solids rapid-curing anticorrosive coating composition is characterized in that it does not substantially contain a low-boiling point organic solvent having a boiling point of not higher than 150°C as a solvent and contains only a high-boiling point organic solvent having a boiling point of higher than 150°C, and is characterized also by its preferred painting method and preferred painting parts (e.g., cargo tank).
- the all-season type or low-temperature curing type high-solids anticorrosive coating composition of the invention comprises a main agent component (A) and a curing agent component (B).
- a main agent component (A) an epoxy resin (a1) is contained, and in the curing agent component (B), an alicyclic amine-based curing agent (b1) and/or a Mannich type curing agent (b2) is contained.
- the alicyclic amine-based curing agent (b1) is frequently contained in the curing agent component (B) from the viewpoint of adhesion to various finish coatings (coating films), and in case of the low-temperature curing type, the Mannich type curing agent (b2) is frequently contained in the curing agent component (B) because of excellent curability at low temperatures.
- the main agent component (A) and/or the curing agent component (B) comprises at least one of the following additive (a2) and the following coating film modifier (ab):
- (a2) at least one additive selected from the group consisting of (a2-1) a reactive diluent having an epoxy group and (a2-2) a modified epoxy resin, and
- the main agent component (A) contains, in addition to the epoxy resin (a1) that is an essential ingredient, any one of "the additive (a2) such as an epoxy group-containing reactive diluent (a2-1) or a modified epoxy resin (a2-2)" and “the coating film modifier (ab) such as a petroleum resin", and the curing agent component (B) contains the alicyclic polyamine (b1) and/or the Mannich type curing agent (b2), preferably an alicyclic polyamine (b1), as shown in the later-described Examples 1 to 15 of Tables 1 and 2, or taking into account high-solids low-temperature rapid curing and convenient mixing by a static mixer, it is preferable that, in the high-solids anticorrosive coating composition of the invention, the main agent component (A) contains, in addition to the epoxy resin (a1) that is an essential ingredient
- a polymerizable (meth)acrylate monomer (a3) may be contained in the main agent component (A), when needed, taking control of paint viscosity, etc. into account, but the monomer (a3) is not added to the curing agent component (B).
- the main agent component (A) is described.
- the epoxy resin (a1) is contained as a solid in an amount of 5 to 55 parts by weight, preferably 10 to 50 parts by weight, particularly preferably 15 to 45 parts by weight
- the epoxy group-containing reactive diluent (a2-1) as the additive (a2) is contained in an amount of 0 to 20 parts by weight, preferably 0 to 10 parts by weight
- the modified epoxy resin (a2-2) as the additive (a2) is contained as a solid in an amount of 0 to 50 parts by weight, preferably 0 to 30 pars by weight, particularly preferably 0 to 15 parts by weight
- the coating film modifier (ab) is contained in an amount of 0 to 10 parts by weight, preferably 0 to 5 parts by weight.
- the additive (a2) such as the reactive diluent (a2-1) and the coating film modifier (ab) such as a petroleum resin are desirably contained in many cases in the total amount ((a2)+(ab)) of usually 1 to 20 parts by weight, preferably 3 to 15 parts by weight, particularly preferably 5 to 15 parts by weight, in 100 parts by weight of the main agent component (A).
- any one of the additive (a2) and the coating film modifier (ab) is frequently used in the above amount, as shown in the later-described Tables 1, 2 and 7, from the viewpoints of working efficiency and production cost of the paint.
- the all-season type anticorrosive coating composition using such a main agent component (A) are applicable to various painting parts of a ship by merely using one kind of an anticorrosive paint even if the type and the amount of the anticorrosive paint are not changed for each part of a ship, and a coating film formed from the anticorrosive coating composition is excellent in anticorrosion property, weathering resistance and adhesion to various finish coating films and is not deteriorated in the adhesion to the finish coating films even if the interval before the finish coating operation is long. Moreover, this anticorrosive coating composition is rapidly cured after application and secures a sufficient pot life, so that it can be used irrespective of seasons and temperatures.
- epoxy resin (a1) for use in the invention a polymer or an oligomer containing two or more epoxy groups in a molecule or a polymer or an oligomer formed by ring-opening reaction of the epoxy groups can be mentioned.
- epoxy resins (a1) examples include:
- the above epoxy resins can be used singly or in combination of two or more kinds.
- a mean value of molecular weights of the epoxy resins and a mean value of epoxy equivalents thereof are shown below.
- the mean molecular weight or the like of the epoxy resins depends upon the painting (coating) and curing conditions (e.g., ordinary temperature drying painting or baking painting) of the resulting paint and cannot be determined indiscriminately, but epoxy resins having a molecular weight of usually 350 to 20,000, a viscosity (at 25°C) of not less than 12,000 cPs and an epoxy equivalent of usually 150 to 1000 g/equiv are employed.
- a bisphenol A type epoxy resin having an epoxy equivalent of 150 to 600 g/equiv is preferably employed, and from the viewpoint of control of solids content, a liquid epoxy resin (epoxy equivalent: 150 to 220) or a semi-solid epoxy resin (epoxy equivalent: 250 to 400) is desirable.
- Examples of typical bisphenol A type epoxy resins which are liquid at ordinary temperature include “Epicoat 82” (available from Yuka-Shell Epoxy Co., Ltd., epoxy equivalent: 180 to 190, viscosity (25°C): 12,000 to 15,000 cPs), “Epicoat 828X-90” (available from Yuka-Shell Epoxy Co., Ltd., 828 type epoxy resin (xylene-cut product, NV: 90%), epoxy equivalent: about 210), “E-028-90X” (available from Ohtake-Meishin Chemical Co., Ltd., 828 type epoxy resin (xylene-cut product, NV: 90%), epoxy equivalent: about 210), and “AER260” (bisphenol A type epoxy resin (liquid at ordinary temperature), available from Asahi Kasei Epoxy Co., Ltd., epoxy equivalent: 190, NV: 100%).
- epoxy resins which are semi-solid at ordinary temperature include “Epicoat 834-85X” (available from Yuka-Shell Epoxy Co., Ltd., epoxy equivalent: 290 to 310, xylene-cut product, NV: 85%), and “E-834-85X” (available from Ohtake-Meishin Chemical Co., Ltd., epoxy equivalent: about 290 to 310, xylene-cut product, NV: 85%).
- these epoxy resins may be used singly or in combination of two or more kinds.
- additive (a2) for the main agent component (A) in the invention at least one additive selected from the group consisting of (A2-1) a reactive diluent having an epoxy group and (a2-2) a modified epoxy resin is employed.
- the reactive diluent (a2-1) having an epoxy group is a reactive diluent for epoxy resins and contributes to improvement of curing acceleration at low temperatures.
- alkyl glycidyl ether and alkylphenyl glycidyl ether because they have low viscosity, can exhibit dilution effect (decrease of paint viscosity), can provide a high-solids paint (that is, a high solids content and a low solvent content in the paint are obtained, and a coating film of large thickness can be obtained with a small number of coating times), and can improve painting workability, control of a pot life and reduction of environmental pollution.
- the above reactive diluents (a2-1) can be used singly or in combination of two or more kinds.
- Examples of the reactive diluents (a2-1) include "Epodil 759” (alkyl(C12 - C13) glycidyl ether, available from Air Products and Chemicals, Inc., epoxy equivalent: 285) and "Cardolite NX 4764” (alkylphenol glycidyl ether, available from Cardolite Corporation, epoxy equivalent: 400).
- the reactive diluent (a2-1) is desirably contained in an amount of 0 to 40% by weight, preferably 0 to 20% by weight, based on the solids content of the epoxy resin (a1).
- the reactive diluent (a2-1) in the above amount, viscosity of the main agent component (A) and also viscosity of the paint composition are lowered to contribute preparation of a high-solids paint, and an anticorrosive coating composition having excellent low-temperature curability and low-solvent-content property can be obtained.
- modified epoxy resin (a2-2) for use in the invention, a dimer acid modified epoxy resin or an epoxy resin in which an aromatic ring is hydrogenated (also referred to as a "hydrogenated epoxy resin” hereinafter) can be mentioned.
- the modified epoxy resin (a2-2) is desirably contained in an amount of 0 to 100% by weight, preferably 0 to 50% by weight, particularly preferably 0 to 30% by weight, based on the solids content of the epoxy resin (a1).
- the additive (a2) such as the reactive diluent (a2-1), and the coating film modifier (ab), such as a petroleum resin
- the total amount ((a2)+(ab)) of usually 10 to 100 parts by weight, preferably 15 to 90 parts by weight, based on 100 parts by weight of the solids content of the epoxy resin (a1).
- a paint composition containing the modified epoxy resin (a2-2) in the above amount has excellent adhesion to various finish coatings, and even if the interval before the finish coating operation is long, a coating film having excellent adhesion to a finish coating film can be formed from the paint composition.
- the dimer acid modified epoxy resin is a resin obtained by modifying the epoxy resin (a1), usually a bisphenol type epoxy resin having an epoxy equivalent of 150 to 1,000, preferably 170 to 700, more preferably 400 to 600, with a dimer acid. If the epoxy equivalent exceeds 1,000, a crosslink density of the resulting cured coating film becomes high, and anticorrosion property inherent in the epoxy resin is deteriorated. On the other hand, it is difficult to synthesize a bifunctional epoxy group-containing bisphenol type epoxy resin having an epoxy equivalent of less than 150.
- the dimer acid is a dimer of an unsaturated fatty acid, and usually contains a small amount of a monomer or a trimer.
- unsaturated fatty acid a carboxyl acid compound having 12 to 24 carbon atoms (including carbon atoms of carboxyl group), preferably 16 to 18, and having one or more unsaturated bonds in one molecule is employed. Examples of such unsaturated fatty acids include:
- the degree of modification with the polymer acid is in the range of 4 to 30% by weight, preferably 5 to 20% by weight, based on the epoxy resin (a1). If the degree of modification is less than 4% by weight, the resulting modified epoxy resin has poor compatibility in an aromatic solvent and also has insufficient flexibility. On the other hand, if the degree of modification exceeds 30% by weight, adhesion property and anticorrosion property inherent in the epoxy resin tend to be impaired.
- the modified epoxy resin (a2) for use in the invention is an epoxy resin obtained by the reaction of the above epoxy resin (a1) with the polymer acid and having an epoxy equivalent of 150 to 1,000, preferably 170 to 700, more preferably 400 to 600. If the epoxy equivalent is less than 150, it tends to become difficult to synthesize a modified epoxy resin (a2) whose degree of modification with the polymer acid is not less than 4% by weight. On the other hand, if the epoxy equivalent exceeds 1,000, a crosslink density of the resulting cured coating film becomes low, and anticorrosion property inherent in the epoxy resin tends to be impaired.
- a synthesis process of the modified epoxy resin (a2) for use in the invention is not specifically restricted, and a publicly known process is employable. For example, there are a process wherein an epoxy resin that is solid or semi-solid at ordinary temperature is synthesized first by the reaction of a liquid epoxy resin with bisphenol or the reaction of epichlorohydrin with bisphenol and then a dimer acid is added to perform reaction (two-stage process) and a process wherein a dimer acid, a liquid epoxy resin and bisphenol are allowed to react with one another at the same time (one-stage process).
- an epoxy resin is first synthesized at a temperature of 50 to 250°C, preferably 100 to 200°C, using a catalyst that is usually used for epoxidation reaction.
- a catalyst that is usually used for epoxidation reaction. Examples of the catalysts used in this synthesis include:
- a dimer acid is added, and the epoxy resin and the dimer acid are allowed to react with each other at a temperature of 100 to 200°C in the presence of a catalyst, such as tertiary amine, quaternary ammonium salt or methyl iodide adduct.
- a catalyst such as tertiary amine, quaternary ammonium salt or methyl iodide adduct.
- a catalyst such as tertiary amine, quaternary ammonium salt or methyl iodide adduct, and they are allowed to react with one another at a temperature of 100 to 200°C to synthesize a dimer acid modified epoxy resin (a2-2).
- the catalytic amount used in the reaction is in the range of about 0.01 to 10,000 ppm, preferably about 0.1 to 1,000 ppm.
- dimer acid modified epoxy resins include "Epon Resin 874-CX-90” (available from Yuka-Shell Epoxy Co., Ltd., epoxy equivalent: 245 to 275, xylene-cut product, NV: 90%) and "DME-111" (available from Ohtake-Meishin Chemical Co., Ltd., epoxy equivalent: 245 to 275, xylene-cut product, NV: 90%),
- the hydrogenated epoxy resin can be readily obtained by selectively carrying out hydrogenation reaction of an epoxy resin having an aromatic ring under pressure in the presence of a catalyst.
- Examples of the epoxy resins having an aromatic ring include:
- liquid hydrogenated epoxy resins obtained from a bisphenol A type epoxy resin, a bisphenol F type epoxy resin and a phenol novolak type epoxy resin each of which has an epoxy equivalent of 150 to 1000.
- the hydrogenated epoxy resin for use in the invention can be prepared by hitherto known hydrogenation.
- an epoxy resin having an aromatic ring as a raw material is dissolved in an organic solvent such as tetrahydrofuran or dioxane, and the aromatic rings are selectively hydrogenated in the presence of a catalyst in which rhodium or ruthenium is supported on graphite (graphite of hexagonal crystal), whereby a hydrogenated epoxy resin can be prepared.
- Graphite having a surface area of not less than 10 m 2 /g and not more than 400 m 2 /g is employed as a carrier.
- the reaction is carried out usually at a pressure of 1 to 30 MPa and a temperature of 30 to 150°C for a reaction time of 1 to 20 hours.
- the catalyst is removed by filtration, and vacuum distillation is performed until the ether-based organic solvent is substantially removed, whereby the hydrogenated epoxy resin can be obtained.
- Such a hydrogenated epoxy resin is, for example, "Rikaresin HBE-100" (available from New Japan Chemical Co., Ltd., diglycidyl ether of alicyclic diol, epoxy equivalent: 220).
- the polymerizable (meth)acrylate monomer (a3) hitherto known monomers which are added to the later-described low-temperature curing type high-solids anticorrosive coating composition can be widely used, and examples of such monomers include (meth)acrylic alkyl esters (number of carbon atoms in alkyl group: about 1 to 5), such as methyl (meth)acrylate, ethyl (meth)acrylate, propyl (meth)acrylate.
- polymerizable (meth)acrylate monomers (a3) can be used singly or in combination of two or more kinds.
- the polymerizable (meth)acrylate monomer may be contained, when needed, in an amount of usually about 0.1 to 10% by weight in the paint composition, particularly in the main agent component (A).
- the coating film modifier (ab) for use in the invention is added to both of the main agent component (A) and the curing agent component (B) or any one of them under the aforesaid conditions (i.e., conditions that at least one of the additive (a2) and the coating film modifier (ab) is contained in the main agent component (A) and/or the curing agent component (B)).
- the coating film modifier (ab) at least one substance selected from the group consisting of a petroleum resin, a xylene resin, a coumarone resin, a terpene phenol resin and a vinyl chloride-based copolymer (preferably the group consisting of a petroleum resin, a xylene resin and a vinyl chloride-based copolymer) is employed, and from the viewpoints of easy availability and convenient handling, a petroleum resin is more preferably employed.
- the coating film modifier (ab) is frequently contained in an amount (total amount) of usually 0.1 to 30% by weight, preferably about 3 to 20% by weight, in the paint.
- an amount (total amount) of usually 0.1 to 30% by weight, preferably about 3 to 20% by weight, in the paint.
- a petroleum resin, a xylene resin, a coumarone resin, a terpene penol resin or the like preferably a petroleum resin or a xylene resin
- flexibility can be imparted to the resulting coating film
- a vinyl chloride-based copolymer a coating film having more excellent adhesion to a finish coating film can be obtained even if the interval before the finish coating operation is long.
- the petroleum resin is a polymer containing a hydroxyl group, which is formed using, as a main raw material, a fraction produced as a by-product in the petroleum refining.
- a hydroxyl group-containing petroleum resin having a softening point of not higher than 150°C, preferably not higher than 100°C, is desirable. If the softening point of the petroleum resin exceeds 150°C, paint viscosity is increased to thereby lower workability, and coating film properties are deteriorated, so that such a softening point is undesirable.
- the content of the hydroxyl group in the petroleum resin is desirably in the range of 0.3 to 2 mol, preferably 0.5 to 0.95 mol, in 1 mol of the petroleum resin. If the hydroxyl group content is less than 0.3 mol, compatibility with the curing agent component (B) is lowered to thereby exert evil influence on the coating film properties, and if the hydroxyl group content exceeds 2 mol, water resistance and seawater resistance of the coating film are lowered, so that such contents are undesirable.
- Examples of the petroleum resins employable in the invention include an aromatic petroleum resin obtained by polymerizing a C9 fraction (e.g., styrene derivative, indene or vinyltoluene) obtained from a heavy oil that is produced as a by-product by petroleum naphtha cracking, an aliphatic petroleum resin obtained by polymerizing a C5 fraction such as 1,3-pentadiene or isoprene, a copolymer-based petroleum resin obtained by copolymerizing the C9 fraction and the C5 fraction, an aliphatic petroleum resin wherein a part of a conjugated diene of the C5 fraction such as cyclopentadiene or 1,3-pentadiene is cyclic-polymerized, a resin obtained by hydrogenating the aromatic petroleum resin, and an alicyclic petroleum resin obtained by polymerizing dicyclopentadiene.
- a hydroxyl group-containing aromatic petroleum resin is
- the above petroleum resins can be used singly or in combination of two or more kinds.
- Examples of the petroleum resins include "Necires EPX-L” (indene-styrene-based petroleum resin, trade name, available from Nevcin Polymers Co.) and "HILENOL PL-1000S” (C9 fraction petroleum resin, available from KOLON CHEMICAL Co.).
- the xylene resin for use in the invention is a resin synthesized from metaxylene and formaldehyde by a publicly known process. Also employable are xylene resins modified with phenols such as bifunctional phenol (e.g., phenol, para-t-butylphenol).
- xylene resins examples include “Nikanol Y-51” and “Nikanol Y-100” (both: xylene formaldehyde resin, available from Fudow Corporation).
- the coumarone resin is a copolymer containing a coumarone constituent unit, an indene constituent unit and a styrene constituent unit in its main chain.
- the coumarone resin may be modified with phenol at the end, and at least a part of aromatic rings in the coumarone resin may be hydrogenated.
- Such coumarone resins include a liquid product having a number-average molecular weight Mn (measured by GPC, in terms of polystyrene, the same shall apply hereinafter) of 200 to 300 and a solid product having a number-average molecular weight Mn of 600 to 800, and any one of them may be used singly, or both of them may be used in combination.
- the terpene phenol resin is a copolymer of a terpene monomer and a phenol-based compound.
- constituent units that are derived from terpene and constitute the terpene phenol resin include constituent units derived from non-cyclic terpene and cyclic terpene, such as monoterpene (C 10 H 16 ), sesquiterpene, diterpene and triterpene, and derivatives thereof.
- constituent units that are derived from the phenol-based compounds and constitute the terpene phenol resin include constituent units derived from phenol, cresol and bisphenol A.
- the terpene-based constituent units may be present in the terpene phenol resin singly or in combination of two or more kinds, and also the phenol-based constituent units may be present in the terpene phenol resin singly or in combination of two or more kinds.
- the terpene monomers and the derivatives thereof can be used singly or in combination of two or more kinds, and also the phenol-based compounds can be used singly or in combination of two or more kinds.
- the terpene-based constituent units and the phenol-based constituent units may be arranged alternately or bonded at random to constitute the terpene phenol resin.
- the terpene phenol resin desirably has a number-average molecular weight (Mn, measured by GPC, in terms of polystyrene, the same shall apply hereinafter) of about 200 to 600, preferably about 300 to 500.
- Mn number-average molecular weight
- Examples of the vinyl chloride-based copolymers for use in the invention include a vinyl chloride/vinyl acetate copolymer, a vinyl chloride/vinyl propionate copolymer, a vinyl chloride/alkyl vinyl ether copolymer, a vinyl chloride/acrylonitrile copolymer, a vinyl chloride/diethyl maleate copolymer, a vinyl chloride/ethylene copolymer, a vinyl chloride/maleic anhydride copolymer, a vinyl chloride/alkyl (meth)acrylate copolymer (number of carbon atoms in alkyl group: about 1 to 5), a vinyl chloride/styrene copolymer, a vinyl chloride/vinylidene chloride copolymer, a vinyl chloride/vinyl stearate copolymer, a vinyl chloride/maleic acid (or maleic ester) copolymer and a vinyl chloride/aliphatic vinyl copolymer
- graft modification products of polyvinyl chloride obtained by graft modification of polyvinyl chloride with "other monomers” than vinyl chloride, and copolymers obtained by grafting a vinyl chloride monomer on "other polymers” than polyvinyl chloride.
- the “other monomers” include (meth)acrylic acid alkyl esters (number of carbon atoms in alkyl group: about 1 to 5), styrene, acrylonitrile, diethyl maleate, olefins (e.g., ethylene, propylene), maleic anhydride, vinylidene chloride, stearic acid, maleic acid, maleic ester and aliphatic vinyl, which are monomers for forming the aforesaid vinyl chloride-based copolymers.
- (meth)acrylic acid alkyl esters number of carbon atoms in alkyl group: about 1 to 5
- styrene acrylonitrile
- diethyl maleate diethyl maleate
- olefins e.g., ethylene, propylene
- maleic anhydride vinylidene chloride
- stearic acid stearic acid
- maleic acid maleic ester
- aliphatic vinyl
- the vinyl chloride/alkyl vinyl ether copolymer is particularly preferable because it has excellent affinity for a bisphenol type epoxy resin and has excellent finish coating property and anticorrosion property.
- a copolymer of vinyl chloride and an alkyl vinyl ether having 1 to 10 carbon atoms, preferably 2 to 5 carbon atoms, in its alkyl group such as a vinyl chloride/isobutyl vinyl ether copolymer, a vinyl chloride/isopropyl vinyl ether copolymer or a vinyl chloride/ethyl vinyl ether copolymer, is preferably employed.
- the vinyl chloride-based copolymer desirably has a weight-average molecular weight (Mw, measured by GPC, in terms of polystyrene, the same shall apply hereinafter) of usually 10,000 to 100,000, preferably about 20,000 to 50,000, particularly preferably 22,000 to 40,000. When the weight-average molecular weight is in this range, affinity for an epoxy resin tends to be improved.
- Mw weight-average molecular weight
- Examples of the vinyl chloride/isobutyl vinyl ether copolymers as the vinyl chloride/alkyl vinyl ether copolymers include “Laroflex LR8829”, “Laroflex MP25”, “Laroflex MP35” and “Laroflex MP45” (trade names, available from BASF Corporation.).
- the above vinyl chloride-based copolymers can be used singly or in combination of two or more kinds.
- ingredients for use in the invention, other ingredients than the above various ingredients, such as pigment, solvent, silane coupling agent, anti-sagging/anti-setting agent, plasticizer, inorganic dehydrator (stabilizer), antifouling agent and other film-forming ingredients, can be added when needed, within limits not detrimental to the objects of the present invention.
- the pigment is, for example, an extender pigment or a color pigment.
- the extender pigments include barium sulfate, potash feldspar, baryta powder, silica, calcium carbonate, talc, mica and glass flake.
- the color pigments include titanium white, red iron oxide, yellow iron oxide and carbon black.
- high-aspect ratio mica having an aspect ratio of 30 to 90 is preferable from the viewpoints of improvement of blister resistance of coating film, reduction of creep and relaxation of internal stress, and as such high-aspect ratio mica, "Suzorite Mica 200 HK" (available from Kuraray Co., Ltd., aspect ratio: 40 to 60) or the like is employed.
- the high-aspect ratio mica that is one kind of a pigment ingredient is desirably used in an amount of usually 3 to 10 parts by weight in 100 parts by weight of the main agent component (A), and by using the mica in this amount, the coating film properties such as resistance to corrosion due to water and flexing resistance are improved.
- the total amount of the above-mentioned various pigments including the mica varies depending upon the use purpose and cannot be determined indiscriminately, but they are frequently contained in the total amount of 10 to 75% by weight in the main agent component (A). Further, they are frequently contained in the total amount of 10 to 75 parts by weight in 100 parts by weight of the solids in the main agent component (A).
- the boiling point of the solvent used in the high-solids anticorrosive coating composition is not specifically restricted, and publicly known solvents having boiling points of wide range are employable.
- solvents include xylene, toluene, MIBK, methoxypropanol, MEK, butyl acetate, n-butanol, isobutanol and IPA.
- the above solvents can be used singly or in combination of two or more kinds.
- a solvent having a boiling point of not higher than 150°C at atmospheric pressure is not substantially contained, and a high-boiling point organic solvent having a boiling point of usually higher than 150°C, preferably higher than 200°C, at atmospheric pressure is preferably employed.
- the upper limit of the boiling point is not specifically restricted, it is usually about 350°C or below it.
- the high-boiling point organic solvent for example, benzyl alcohol (boiling point: 205.45°C), octyl phenol, resorcinol and the like are preferably used because they lower paint viscosity and improve workability. These high-boiling point solvents are used singly or in combination of two or more kinds.
- the amount of the solvent added is not specifically restricted, but when the solvent is added to the main agent component (A), it is desirably contained in an amount usually 2 to 15% by weight, preferably 5 to 10% by weight, taking coating properties, etc. into account. Especially when the high-boiling point solvent is added to the main agent component (A) of the high-solids rapid-curing anticorrosive coating composition, the solvent is desirably contained in an amount of usually 0.1 to 20% by weight, preferably 0.1 to 15% by weight, particularly preferably 0.1 to 10% by weight.
- the silane coupling agent which is used as a constituent of the main agent component (A) when needed, usually has two kinds of functional groups in the same molecule, contributes to increase of adhesive force to an inorganic base and to lowering of paint viscosity, and is represented by, for example, the formula: X-Si(OR) 3 (wherein X is a functional group capable of undergoing reaction with an organic substance (examples of such groups: amino group, vinyl group, epoxy group, mercapto group, halogen group, or hydrocarbon group containing these groups, in this hydrocarbon group an ether bond or the like may be present) or an alkyl group, and OR is a hydrocarbon group (e.g., methoxy group, ethoxy group)).
- silane coupling agents examples include "KBM403" ( ⁇ -glycidoxypropyltrimethoxysilane, available from Shin-Etsu Chemical Co., Ltd.) and “Silane S-510” (available from Chisso Corporation).
- the silane coupling agent is desirably contained in an amount of 0.1 to 10 parts by weight, preferably 0.5 to 5 parts by weight, in 100 parts by weight of the paint composition. If the paint composition containing the silane coupling agent in this amount in the main agent component (A) is used, film coating properties such as adhesion are improved, and especially in case of the high-solids anticorrosive coating composition, paint viscosity is lowered to thereby improve workability.
- thixotropic agent As the anti-sagging/anti-setting agent (thixotropic agent), a thixotropic agent, such as polyamide wax, polyethylene wax or a bentonite-based thixotropic agent, is employed.
- thixotropic agent such as polyamide wax, polyethylene wax or a bentonite-based thixotropic agent.
- anti-sagging/anti-setting agents include "Disperon 4200-20” and “Disperon A630-20X” (available from Kusumoto Chemicals, Ltd.) and "ASAT-250F” (available from Ito Seiyu K.K.).
- the main agent component (A) for use in the invention can be prepared by mixing and stirring the above ingredients in accordance with a usual method.
- the curing agent component (B) for use in the all-season type anticorrosive coating composition of the invention comprises an alicyclic amine-based curing agent (b1), and if necessary, further comprises the aforesaid coating film modifier (ab).
- the alicyclic amine-based curing agent (b1) is contained as a solid in an amount of 20 to 100 parts by weight, preferably 30 to 90 parts by weight, particularly preferably 50 to 80 parts by weight, in 100 parts by weight of the curing agent component (B).
- this curing agent (b1) is contained as a solid in an amount of 5 to 100 parts by weight, preferably 8 to 90 parts by weight, particularly preferably 10 to 50 parts by weight, in 100 parts by weight of the curing agent component (B).
- the coating film modifier (ab) that is used when needed is desirably contained in an amount of 0.1 to 50 parts by weight, preferably 5 to 40 parts by weight, particularly preferably 15 to 35 parts by weight, in 100 parts by weight of the curing agent component (B), from the viewpoints of lowering of viscosity, impartation of flexibility and control of a pot life.
- the all-season type anticorrosive coating composition comprising the curing agent component (B) and the aforesaid main agent component (A) secures a pot life and can be used irrespective of seasons and temperatures.
- a coating film formed from this anticorrosive coating composition is excellent in anticorrosion property, weathering resistance and adhesion to various finish coating films and is not deteriorated in the adhesion to the finish coating films even if the interval before the finish coating operation is long.
- Examples of the alicyclic amine-based curing agents (b1) include 1,4-cyclohexanediamine, 4,4'-methylenebiscyclohexylamine, 4,4'-isopropylidenebiscyclohexylamine, norbornanediamine (NBDA), bis(aminomethyl)cyclohexane, diaminodicyclohexylmethane, isophoronediamine (IPDA), menthenediamine (MDA), adduct of norbornanediamine with epoxy resin (NBDA adduct) and adduct of isophorone with epoxy resin (IPD adduct). Mixtures of these curing agents are also employable.
- NBDA Norbornanediamine
- IPDA isophoronediamine
- the NBDA adduct or the IPDA adduct is preferably employed.
- Such an adduct is obtained by allowing norbornanediamine or isophoronediamine to react with an epoxy resin, and can be prepared by, for example, a process described in Japanese Patent Laid-Open Publication No. 253556/1996 .
- the epoxy resin a resin obtained by allowing bisphenol such as bisphenol A or bisphenol F to react with epichlorohydrin, a resin obtained by allowing a novolak resin that is an addition condensate of phenol or cresol and formaldehyde to react with epichlorohydrin, etc. are used singly or as a mixture.
- an epoxy resin having an epoxy equivalent of 150 to 600 g/eq and having two or more epoxy groups in one molecule is preferable.
- This epoxy resin is generally liquid or semi-solid.
- epoxy resins most preferable is bisphenol A diglycidyl ether or bisphenol F diglycidyl ether, which is a liquid resin obtained by allowing bisphenol A or bisphenol F to react with epichlorohydrin and has an epoxy equivalent of 150 to 300 g/eq.
- the NBDA adduct is particularly preferably employed because the resulting coating film is rapidly dried.
- the NBDA adducts include "Ancamine 2597” (available from Air Products and Chemicals, Inc., active hydrogen equivalent: 90), “NAD-1” (available from Ohtake-Meishin Chemical Co., Ltd., active hydrogen equivalent: 96) and "PT-815" (available from PTI Japan, active hydrogen equivalent: 90).
- the IPDA adducts include "Ancamine 2489” (available from Air Products and Chemicals, Inc., active hydrogen equivalent: 83) and "AD-101" (available from Ohtake-Meishin Chemical Co., Ltd., active hydrogen equivalent: 96).
- alicyclic amine-based curing agent (b1) a blend of the NBDA adduct and/or the IPDA adduct with polyamidoamine or its adduct may be employed taking the cost into account.
- the polyamidoamine is mainly formed by condensation of a dimer acid and polyamine and has a first and a second reactive amino groups in a molecule. Examples of such polyamidoamines include "Ancamide 2050" (available from Air Products and Chemicals, Inc., active hydrogen equivalent: 150) and "PA-290(A)" (available from Ohtake-Meishin Chemical Co., Ltd., active hydrogen equivalent: 277) .
- a solvent, a pigment, etc. which may be used in the main agent component (A), may be contained as other ingredients. Moreover, a curing accelerator may be also contained.
- the amount of the solvent added is not specifically restricted, but in order to control paint viscosity, the solvent is desirably contained in an amount of usually 0 to 80 parts by weight, preferably 0 to 50 parts by weight, particularly preferably 5 to 30 parts by weight, in 100 parts by weight of the curing agent component (B).
- the type of the solvent is restricted to the aforesaid high-boiling point solvent.
- the high-boiling point solvent is desirably contained in an amount of 0.1 to 80 parts by weight, preferably 1 to 50 parts by weight, particularly preferably 2 to 30 parts by weight, in 100 parts by weight of the curing agent component (B).
- the curing agent accelerator is, for example, tertiary amine, and examples thereof include triethanolamine (N(C 2 H 5 OH) 3 ), dialkylaminoethanol ([CH 3 (CH 2 ) n ] 2 NCH 2 OH, n: repetition number), triethylenediamine (1,4-diazacyclo(2,2,2)octane), and 2, 4, 6-tri (dimethylaminomethyl) phenol (C 6 H 5 -CH 2 N(CH 3 ) 2 , trade name: Versamine EH 30 (available from Henkel Hakusui Corp.), trade name: Ancamine K-54 (available from Air Products and Chemicals, Inc.)).
- triethanolamine N(C 2 H 5 OH) 3
- dialkylaminoethanol [CH 3 (CH 2 ) n ] 2 NCH 2 OH, n: repetition number
- triethylenediamine (1,4-diazacyclo(2,2,2)octane
- the curing agent component (B) for use in the invention can be prepared by mixing and stirring the above ingredients in accordance with a usual method.
- the all-season type anticorrosive coating composition of the invention comprises the main agent component (A) and the curing agent component (B), and can be prepared by mixing and stirring them in accordance with a usual method.
- the all-season type anticorrosive coating composition of the invention is desirably prepared by properly adding, to the main agent component (A), the curing agent component (B) in an amount of 2 to 200 parts by weight, preferably 5 to 50 parts by weight, particularly preferably 8 to 40 parts by weight, based on 100 parts by weight of the main agent component (A) so that the volume solid (nonvolatile content, % by volume) should become 72 to 100% by volume, preferably 75 to 85% by volume, the PVC (pigment volume concentration) should become 20 to 50% by volume, preferably 30 to 40% by volume, and the reaction equivalent ratio (amine active hydrogen equivalent/epoxy equivalent) should become 0.2 to 2, preferably 0.5 to 0.9, particularly preferably 0.6 to 0.8.
- Such an all-season type anticorrosive coating composition of the invention has excellent adhesion to an inorganic or organic zinc shop primer, is rapidly cured at a temperature of 20°C, can be sufficiently cured even at a temperature of not higher than 0°C, has a long pot life and is preferable as an epoxy resin-based all-season type high-solids anticorrosive paint.
- the all-season type anticorrosive coating composition of the invention can be applied to various parts of a ship by merely using one kind of an anticorrosive paint even if the type and the amount of the anticorrosive paint are not changed for each part of a ship, and a coating film obtained from this anticorrosive coating composition is excellent in anticorrosion property, weathering resistance and adhesion to various finish coating films and is not deteriorated in the adhesion to the finish coating films even if the interval before the finish coating operation is long. Moreover, this anticorrosive coating composition is rapidly dried after application and secures a sufficient pot life, so that it can be used irrespective of seasons and temperatures.
- the low-temperature curing type high-solids anticorrosive coating composition of the invention is specifically a first low-temperature curing type high-solids anticorrosive coating composition or a second low-temperature curing type high-solids anticorrosive coating composition.
- first low-temperature curing type high-solids anticorrosive coating composition is described.
- the first low-temperature curing type high-solids anticorrosive coating composition of the invention comprises a main agent component (A) and a curing agent component (B).
- a1 an epoxy resin (a1) is contained
- a1 an alicyclic amine-based curing agent contained.
- the main agent component (A) and/or the curing agent component (B) contains at least one of the aforesaid additive (a2) and the aforesaid coating film modifier (ab), and if necessary, may contain the later-described polymerizable (meth)acrylate monomer (a3).
- a more specific embodiment of the first low-temperature curing type high-solids anticorrosive coating composition is a high-solids anticorrosive coating composition characterized in that:
- the same curing agent component as used in the aforesaid all-season type anticorrosive coating composition is employable, so that descriptions thereof are omitted.
- the main agent component (A) for use in the first low-temperature curing type high-solids anticorrosive coating composition comprises an epoxy resin (a1), at least one additive (a2) selected from the group consisting of (a2-1) a reactive diluent having an epoxy group and (a2-2) a modified epoxy resin, and a polymerizable (meth)acrylate monomer (a3), and occasionally further comprises at least one coating film modifier (ab) selected from the group consisting of a petroleum resin, a xylene resin, a coumarone resin, a terpene phenol resin and a vinyl chloride-based copolymer, preferably at least one coating film modifier (ab) selected from the group consisting of a petroleum resin, a xylene resin and a vinyl chloride-based copolymer.
- the additive (a2) such as the reactive diluent (a2-1), and the coating film modifier (ab), such as a petroleum resin, are contained in the total amount ((a2)+(ab)) of usually 1 to 20 parts by weight, preferably 3 to 15 parts by weight, particularly preferably 5 to 15 parts by weight, in 100 parts by weight of the main agent component (A) in the paint composition.
- any one of the additive (a2) and the coating film modifier (ab) is used in the above amount in many cases from the viewpoints of working efficiency and preparation cost of a paint, as shown in, for example, the later-described Tables 1, 2 and 7.
- the low-temperature curing type high-solids anticorrosive coating composition using the main agent component (A) containing the (meth)acrylate monomer (a3) in combination with the curing agent component (B) exerts effects as a universal primer similarly to the aforesaid all-season type high-solids anticorrosive coating composition, and can be used even in the winter season and in the cold district because it has particularly excellent low-temperature curability (0°C).
- the same ingredients as used in the main agent component (A) of the aforesaid all-season type high-solids anticorrosive coating composition are employable.
- the (meth)acrylate monomer (a3) is described below.
- a monofunctional or polyfunctional aliphatic (meth)acrylate monomer and/or a monofunctinal or polyfunctional aromatic (meth)acrylate monomer is employable.
- the monofunctional aliphatic (meth)acrylate monomers include methyl (meth)acrylate, ethyl (meth)acrylate, n-butyl (meth)acrylate, i-butyl (meth)acrylate, t-butyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, lauryl (meth)acrylate, stearyl (meth)acrylate, 2-hydroxyethyl (meth)acrylate, 2-hydroxypropyl (meth)acrylate, 2-hydroxybutyl (meth)acrylate, 4-hydroxybutyl (meth)acrylate, methoxyethyl (meth)acrylate and ethoxyethyl (meth)acrylate.
- the polyfunctional aliphatic (meth)acrylate monomer is, for example, a bifunctional, a trifunctional or a tetrafunctional aliphatic (meth)acrylate monomer.
- the bifunctional aliphatic (meth)acrylate monomers include ethylene glycol di(meth)acrylate, diethylene glycol di(meth)acrylate, triethylene glycol di(meth)acrylate, butylene glycol di(meth)acrylate, neopentyl glycol di(meth)acrylate, propylene glycol di(meth)acrylate, 1,3-butanediol di(meth)acrylate, 1,4-butanediol di(meth)acrylate and 1,6-hexanediol di(meth)acrylate.
- Examples of the trifunctional aliphatic (meth)acrylate monomers include trimethylolpropane tri(meth)acrylate, trimethylolethane tri(meth)acrylate, trimethylolethanol tri(meth)acrylate and trimethylolmethane tri(meth)acrylate.
- Examples of the tetrafunctional aliphatic (meth)acrylate monomers include pentaerythritol tetra(meth)acrylate.
- examples of the monofunctional aromatic (meth)acrylate monomers include phenyl (meth)acrylate, benzyl (meth)acrylate, phenoxyethyl (meth)acrylate, phenoxypropyl (meth)acrylate, phenoxydiethylene glycol (meth)acrylate and phenoxyhydroxypropyl (meth)acrylate.
- the polyfunctional aromatic (meth)acrylate monomer is, for example, a bifunctional aromatic (meth)acrylate monomer, and examples thereof include 2,2-bis((meth)acryloxyphenyl)propane, 2,2-bis[4-(3-(meth)acryloxy)-2-hydroxypropoxyphenyl]propane, 2,2-bis(4-(meth)acryloxyethoxyphenyl)propane, 2,2-bis(4-(meth)acryloxydiethoxyphenyl)propane, 2,2-bis(4-(meth)acryloxytriethoxyphenyl)propane, 2,2-bis(4-(meth)acryloxytetraethoxyphenyl)propane, 2,2-bis(4-(meth)acryloxypentaethoxyphenyl)propane, 2,2-bis(4-(meth)acryloxypropoxyphenyl)propane, 2(4-(meth)acryloxydiethoxyphenyl)-2(4-(meth)acryloxydie
- the above polymerizable (meth)acrylate monomers can be used singly or in combination of two or more kinds.
- the (meth)acrylate monomer (a3) has excellent reactivity to the alicylic amine-based curing agent (b1), so that a high-solids anticorrosive coating composition having excellent low-temperature curability can be obtained.
- polymerizable (meth)acrylate monomers (a3) employable in the invention include “M-CURE 100” (monofunctional aromatic acrylate, viscosity (25°C): 140 cPs, equivalent: 257 to 267), “M-CURE 200” (bifunctional aromatic acrylate, viscosity (25°C): 331 cPs, equivalent: 130 to 140), “M-CURE 201” (bifunctional aliphatic acrylate, viscosity (25°C): 11 cPs, equivalent: 95 to 105), “M-CURE 300” (trifunctional aliphatic acrylate, viscosity (25°C): 100 cPs, equivalent: 112 to 122) and “M-CURE 400” (tetrafunctional aliphatic acrylate, viscosity (25°C): 180 cPs, equivalent: 80 to 90) (all manufactured and sold by SARTOMER COMPANY, INC.)
- the polymerizable (meth)acrylate monomer (a3) is contained in an amount of 0.3 to 40% by weight, preferably 1 to 25% by weight, particularly preferably 2 to 10% by weight, based on the solids content of the epoxy resin (a1), and is used in an amount of 1 to 60% by weight, preferably 10 to 50% by weight, particularly preferably 20 to 40% by weight, based on the solids content of the alicyclic amine-based curing agent (b1).
- the (meth)acrylate monomer in the above amount in combination with the alicyclic amine-based monomer (b1), the resulting anticorrosive coating composition has excellent low-temperature curability.
- the polymerizable (meth)acrylate monomer functions as a curing accelerator, and its acrylate group and the alicyclic amine-based curing agent (b1) of the curing agent component (B) undergo Michael addition reaction in the anticorrosive coating composition, as shown in the following formula 1.
- the Michael reaction product is not particularly excellent in reactivity and has reactivity nearly equal to that of the ingredient (b1).
- the addition reaction itself is a curing reaction. Because the heat value of this Michael addition reaction is small, thermal modification of the anticorrosive coating composition does not take place, and the reaction proceeds even at low temperatures (not higher than 0°C). Therefore, the anticorrosive coating composition of the invention is improved in the low-temperature curability. Such an effect is exerted more efficiently by incorporating the acrylate monomer (a3) under the above conditions and by using it in combination with the alicyclic amine-based curing agent (b1).
- the first low-temperature curing type anticorrosive coating composition of the invention comprises the main agent component (A) and the curing agent component (B), and can be prepared by mixing and stirring them in accordance with a usual method.
- the first low-temperature curing type anticorrosive coating composition of the invention is desirably prepared by properly adding, to the main agent component (A), the curing agent component (B) in an amount of 2 to 200 parts by weight, preferably 5 to 50 parts by weight, particularly preferably 10 to 40 parts by weight, based on 100 parts by weight of the main agent component (A) so that the volume solid (nonvolatile content, % by volume) should become 72 to 100% by volume, preferably 75 to 85% by volume, the PVC (pigment volume concentration) should become 20 to 50% by volume, preferably 30 to 40% by volume, and the reaction equivalent ratio (amine active hydrogen equivalent/epoxy equivalent) should become 0.2 to 2, preferably 0.5 to 0.9, particularly preferably 0.6 to 0.8.
- the high-solids rapid-curing anticorrosive coating composition is desirably prepared by properly adding, to the main agent component (A), the curing agent component (B) in an amount of 2 to 200 parts by weight, preferably 5 to 150 parts by weight, particularly preferably 10 to 120 parts by weight, based on 100 parts by weight of the main agent component (A) so that the volume solid (nonvolatile content, % by volume) should become 72 to 100% by volume, preferably 75 to 100% by volume, the PVC (pigment volume concentration) should become 20 to 50% by volume, preferably 20 to 40% by volume, and the reaction equivalent ratio (amine active hydrogen equivalent/epoxy equivalent) should become 0.2 to 2, preferably 0.5 to 0.9, particularly preferably 0.7 to 0.9.
- Such a first low-temperature curing type high-solids anticorrosive coating composition of the invention has excellent adhesion to an inorganic or organic zinc shop primer, can be sufficiently cured even at a temperature of not higher than 0°C, has a long pot life and is preferable as an epoxy resin-based low-temperature curing type high-solids anticorrosive paint.
- the second low-temperature curing type high-solids anticorrosive coating composition of the invention comprises a main agent component (A) and a curing agent component (B).
- a main agent component (A) an epoxy resin (a1) is contained, and in the curing agent component (B), a Mannich type curing agent (b2) is contained.
- the main agent component (A) and/or the curing agent component (B) contains at least one of the aforesaid additive (a2) and the aforesaid coating film modifier (ab), and preferably further contains the later-described polymerizable (meth)acrylate monomer (a3).
- the main agent component (A) comprises an epoxy resin (a1)
- the curing agent (B) comprises a Mannich type curing agent (b2)
- the main agent component (A) and/or the curing agent component (B) comprises any one of "at least one additive (a2) selected from the group consisting of (a2-1) a reactive diluent having an epoxy group and (a2-2) a modified epoxy resin” and "at least one coating film modifier (ab) selected from the group consisting of a petroleum resin, a xylene resin, a coumarone resin, a terpene phenol resin and a vinyl chloride-based copolymer", namely, any one of the additive (a2) and the coating film modifier (ab).
- a coating film modifier (ab) is used instead of the additive (a2). That is to say, another embodiment of the second low-temperature curing type high-solids anticorrosive coating composition is a high-solids anticorrosive coating composition characterized in that:
- the same main agent component as used in the aforesaid all-season type anticorrosive coating composition is employable, so that descriptions thereof are omitted.
- the curing agent component (B) for use in the second low-temperature curing type high-solids anticorrosive coating composition of the invention comprises a Mannich type curing agent (b2).
- the Mannich type curing agent (b2) is contained as a solid in an amount of 20 to 100 parts by weight, preferably 30 to 90 parts by weight, particularly preferably 50 to 80 parts by weight, in 100 parts by weight of the curing agent component (B).
- a coating film formed from the low-temperature curing type anticorrosive coating composition comprising this curing agent component (B) and the aforesaid main agent component (A) has excellent anticorrosion property and low-temperature curability at 0°C, and besides, it is excellent in weathering resistance and adhesion to various finish coating films and is not deteriorated in the adhesion to the finish coating films even if the interval before the finish coating operation is long.
- the Mannich type curing agent (b2) the same ingredients as used in the curing agent component (B) used for the aforesaid all-season type high-solids anticorrosive coating composition are employable. Next, the Mannich type curing agent (b2) is described.
- Mannich type curing agent (b2) for use in the invention a Mannich type curing agent formed by the Mannich (dehydration) condensation reaction of a phenol such as an unsaturated substituent-containing phenol, an aldehyde and an amine compound, or an adduct of this Mannich type curing agent with an epoxy resin is employable.
- the unsaturated substituent-containing phenol is, for example, a phenol wherein at least one monohydroxyphenyl group is contained in one molecule and a part of hydrogen atoms, i.e., 1 to 5 hydrogen atoms, in the phenyl group are replaced with unsaturated hydrocarbon groups.
- unsaturated hydrocarbon groups include an alkylene group of about 1 to 20 carbon atoms and a phenyl group containing the alkylene group.
- cardanol is preferably employed.
- the cardanol is a cashew nut oil and contains a component represented by the following formula in an amount of, for example, about 75 to 80%. m-C 15 H 27 -Ph wherein Ph is phenyl group, 0 to 3 carbon-carbon double bonds are present in the side chain, and a mean value thereof is about 1.8.
- the cardanol is commercially available from Cardolite Corporation (agent in Japan: Shinsei Shokai K.K.) under the trade name of, for example, "Cardolite NC-700" or "Cardolite NC-4708".
- the aldehyde is desirably an aldehyde of 1 to 10 carbon atoms, preferably 1 to 5 carbon atoms.
- aldehydes include formaldehyde, acetaldehyde, paraformaldehyde, crotonaldehyde, furfurylaldehyde, succinaldehyde, acetone and propionaldehyde. Of these, formaldehyde, acetaldehyde or the like is preferably employed.
- the amine compound may be any of aliphatic, alicyclic, aromatic and hetrocyclic amine compounds.
- aliphatic amine compounds include alkylenepolyamine, polyalkylenepolyamine and other aliphatic polyamines. More specifically, there can be used alkylenepolyamine represented by the following formula: H 2 N-R 1 -NH 2 wherein R 1 is a divalent hydrocarbon group of 1 to 12 main chain carbon atoms, which may have one or plural hydrocarbon group side chains of 1 to 10 carbon atoms.
- alkylenepolyamines examples include methylenediamine, ethylenediamine, 1,2-diaminopropane, 1,3-diaminopropane, 1,4-diaminobutane, 1,5-diaminopentane, 1,6-diaminohexane, 1,7-diaminoheptane, 1,8-diaminooctane, 1,9-diaminononane and 1,10-diaminodecane.
- the polyalkylenepolyamine is represented by, for example, the following formula: H 2 N-(C m H 2m NH) n H wherein m is an integer of 1 to 10, and n is an integer of 2 to 10, preferably 2 to 6.
- Examples of such polyalkylenepolyamines include diethylenetriamine, dipropylenetriamine, triethylenetetramine, tripropylenetetramine, tetraethylenepentamine, tetrapropylenepentamine, pentaethylenehexamine, nonaethylenedecamine and trimethylhexamethylenediamine.
- alicyclic amines examples include 1,4-cyclohexanediamine, 4,4'-methylenebiscyclohexylamine, 4,4'-isopropylidenebiscyclohexylamine, norbornanediamine, bis(aminomethyl)cyclohexane, diaminodicyclohexylmethane, isophoronediamine and menthenediamine (MDA).
- aromatic amines examples include bis(aminoalkyl)benzene, bis(aminoalkyl)naphthalene, aromatic polyamine compounds having two or more primary amino groups bonded to benzene rings, and other aromatic polyamines. More specific examples of the aromatic amines include bis(cyanoethyl)diethylenetriamine, o-xylylenediamine, m-xylylenediamine (MXDA), p-xylylenediamine, phenylenediamine, naphthylenediamine, diaminodiphenylmethane, diaminodiethylphenylmethane, 2,2-bis(4-aminophenyl)propane, 4,4'-diaminodiphenyl ether, 4,4'-diaminobenzophenone, 4,4'-diaminodiphenyl ether, 4,4'-diaminodiphenylsulfone, 2,2'-d
- heterocyclic amines examples include N-methylpiperazine (CH 3 -N(CH 2 CH 2 ) 2 NH), morpholine (HN(CH 2 CH 2 ) 2 O), 1,4-bis(8-aminopropyl)piperazine, piperazine-1,4-diazacycloheptane, 1-(2'-aminoethylpiperazine), 1-[2'-(2"-aminoethylamino)ethyl]piperazine, 1,11-diazacycloeicosane and 1,15-diazabicyclooctacosane.
- amine compounds in the invention are aromatic amines (amine compounds) described from the 43rd line on the 24th column in page 12 to the 25th line on the 28th column n page 14 of Japanese Patent Publication No. 48480/1974 .
- diethylaminopropylamine, polyether diamine, etc. are also employable.
- the above amine compounds can be used singly or in combination of two or more kinds.
- alkylenepolyamines and polyalkylenepolyamines belonging to the aliphatic amine compounds preferable are ethylenediamine, diethylenetriamine, triethylenetetramine and tetraethylenepentamine.
- the unsaturated substituent-containing phenol, the aldehyde and the amine compound have only to be used in equivalent moles theoretically, but usually, based on 1 mol of the unsaturated substituent-containing phenol, the aldehyde is used in an amount of 0.5 to 2.5 mol and the amine compound is used in an amount of 0.5 to 2.5 mol, and they have only to be held for about 3 to 12 hours under heating at a temperature of about 50 to 180°C.
- Mannich type curing agents formed by Mannich condensation reaction of the above unsaturated substituent-containing phenols, the above aldehydes and the above polyaminoalkylbenzene or alicyclic polyamine
- Mannich type curing agents formed by Mannich condensation reaction of the unsaturated substituent-containing phenols, the aldehydes and at least one amine compound selected from the group consisting of xylenediamine, isphoronediamine, norbornanediamine, diaminodicyclohexylmethane and bis (aminomethyl) cyclohexane
- the Mannich type curing agent (b2) for use in the invention may be formed by Mannich (dehydration) condensation reaction of a phenol which may have a saturated substituent, an aldehyde and an amine compound.
- a Mannich type curing agent can be prepared in accordance with a process described in Japanese Patent Publication No. 48679/1974 , and is obtained in the same manner as in the preparation of the aforesaid Mannich type curing agent using the unsaturated substituent-containing phenol, except that a phenol which may have a saturated subsitutent, an aldehyde and an amine compound are used.
- the phenol which may have a saturated susbtituent may be monohydric or polyhydric, and may be mononuclear or polynuclear.
- examples of such phenols include monohydric mononuclear phenols, such as phenol; dihydric mononuclear phenols, such as resorcinol and hydroquinone; dihydric polynuclear phenols, such as 1,5-dihydroxynaphthalene, 2,7-dihydroxynaphthalene and 2,6-dihydroxynaphthalene; alkylphenol (number of carbon atoms in alkyl group: 1 to 10, preferably 1 to 5), halogenated phenol, alkoxyphenol (number of carbon atoms in alkoxy group: 1 to 10, preferably 1 to 5), bisphenol A (2,2-di(p-hydroxyphenl)propane) and bisphenol F (di(p-hydroxyphenyl)methane).
- monohydric mononuclear phenols such
- alkylphenols include monohydric phenols, such as methylphenol (o-, m-, or p-cresol), ethylphenol, butylphenol, tertiary butylphenol, octylphenol, nonylphenol, dodecylphenol and dinonylphenol.
- halogenated phenols include monohydric phenols, such as chlorophenol.
- aldehydes include the same aldehydes as those used for preparing the aforesaid Mannich type curing agent using the unsaturated substituent-containing phenol. Of these, preferable are the same aldehydes as those preferably used for preparing the Mannich type curing agents using the unsaturated substituent-containing phenol, such as formaldehyde and acetaldehyde.
- Examples of the amine compounds include the same amine compounds as those used for preparing the Mannich type curing agent using the unsaturated substituent-containing phenol. Of these, the aforesaid alicyclic amine compounds and aromatic amine compounds are preferable. Specifically, isophoronediamine, norbornanediamine, bis (aminomethyl) cyclohexane, diaminodicyclhexylmethane and aminoethylpiperazine as the alicyclic amine compounds are preferable; and o-, m- and p-xylylenediamines as the arylalkylamines and metaphenylenediamine and diaminodiphenylmethane as the aromatic amines are preferable.
- the above amine compounds are used singly or in combination of two or more kinds.
- Mannich type curing agents formed by Mannich condensation reaction of the above phenols which may have saturated substituent, the above aldehydes and "the above polyaminoalkylbenzene or alicyclic polyamine"
- Mannich type curing agents formed by Mannich condensation reaction of the phenols which may have saturated substituent, the aldehydes and "at least one amine compound selected from the group consisting of xylylenediamine, isphoronediamine, norbornanediamine, diaminodicyclohexylmethane and bis(aminomethyl)cyclohexane and particularly preferable are Mannich type curing agents formed by Mannich condensation reaction of phenol, formaldehyde and "at least one amine compound selected from the group consisting of
- the Mannich type curing agent (MXDA Mannich modified amine) obtained by Mannich condensation reaction of, for example, m-xylylenediamine (MXDA), formaldehyde and phenol is presumed to have the following structure.
- the Mannich type curing agent is prepared so as to have NV of usually 50 to 100%, and the viscosity, as measured by an E type viscometer in the preparation process, is desired to be in the range of 100 to 100,000 cPs (preferably 500 to 10,000 cPs) because handling property and coating property are excellent.
- an adduct of the above-mentioned Mannich type curing agent with an epoxy resin is also preferably used as the Mannich type curing agent (b2).
- the adduct is obtained by allowing the Mannich type curing agent to react with an epoxy resin in accordance with a usual method.
- epoxy resin a resin obtained by allowing a bisphenol such as bisphenol A or bisphnol F to react with epichlorohydrin, a resin obtained by allowing a novolak resin obtained by addition condensation reaction of phenol or cresol and formaldehyde to react with epichlorohydrin, etc. are used singly or as a mixture.
- Mannich type curing agents examples include "Cardolite NX4918” (available from Cardolite Corporation, Phenolkamine adduct), "MAD204(A)” (available from Ohtake-Meishin Chemical Co., Ltd., MXDA Mannich modified amine), "M-37TB60” (available from Mitsubishi Gas Chemical Company, Inc., MXDA Mannich modified amine) and "IPDA Mannich Curing Agent” (available from Mitsui Chemicals, Inc.).
- Cardolite NX4918 available from Cardolite Corporation, Phenolkamine adduct
- MAD204(A) available from Ohtake-Meishin Chemical Co., Ltd., MXDA Mannich modified amine
- M-37TB60 available from Mitsubishi Gas Chemical Company, Inc., MXDA Mannich modified amine
- IPDA Mannich Curing Agent available from Mitsui Chemicals, Inc.
- the Mannich type curing agent (b2) may be blended with polyamidoamine or its adduct taking the cost into account.
- the polyamidoamine is mainly formed by condensation of a dimer acid with polyamine and has a first and a second reactive amino groups in a molecule.
- Examples of such polyamidoamines include "Ancamide 2050” (available from Air Products and Chemicals, Inc., active hydrogen equivalent: 150) and "PA-290(A)” (available from Ohtake-Meishin Chemical Co., Ltd., active hydrogen equivalent: 277).
- the second low-temperature curing type anticorrosive coating composition of the invention comprises the main agent component (A) and the curing agent component (B), and can be prepared by mixing and stirring them in accordance with a usual method.
- the second low-temperature curing type anticorrosive coating composition of the invention is desirably prepared by properly adding, to the main agent component (A), the curing agent component (B) in an amount of 2 to 200 parts by weight, preferably 5 to 50 parts by weight, particularly preferably 10 to 40 parts by weight, based on 100 parts by weight of the main agent component (A) so that the volume solid (nonvolatile content, % by volume) should become 72 to 100% by volume, preferably 75 to 85% by volume, the PVC (pigment volume concentration) should become 20 to 50% by volume, preferably 30 to 40% by volume, and the reaction equivalent ratio (amine active hydrogen equivalent/epoxy equivalent) should become 0.2 to 2, preferably 0.5 to 0.9, particularly preferably 0.6 to 0.8.
- the second low-temperature curing type high-solids rapid-curing anticorrosive coating composition is desirably prepared by properly adding, to the main agent component (A), the curing agent component (B) in an amount of 2 to 200 parts by weight, preferably 5 to 150 parts by weight, particularly preferably 10 to 120 parts by weight, based on 100 parts by weight of the main agent component (A) so that the volume solid (nonvolatile content, % by volume) should become 72 to 100% by volume, preferably 75 to 100% by volume, the PVC (pigment volume concentration) should become 20 to 50% by volume, preferably 20 to 40% by volume, and the reaction equivalent ratio (amine active hydrogen equivalent/epoxy equivalent) should become 0.2 to 2, preferably 0.5 to 0.9, particularly preferably 0.7 to 0.9.
- Such a second low-temperature curing type high-solids anticorrosive coating composition of the invention has excellent adhesion to an inorganic or organic zinc shop primer, is particularly rapidly cured at a temperature of not higher than 0°C, has a long pot life and is preferable as an epoxy resin-based low-temperature curing type high-solids anticorrosive paint.
- the all-season type high-solids anticorrosive coating composition and the low-temperature curing type high-solids anticorrosive coating composition of the invention described hereinbefore exhibit excellent anticorrosion performance and resistance to temperature difference (definition: resistance to phenomenon of lowering of adhesion caused by thermal osmotic pressure due to temperature difference), can be used for finish coating of inner and outer surfaces of land metal tanks, concrete underground drainage tanks, and land, underground or submarine pipelines, and can be more preferably used for coating surfaces of various bases of ships, fishing materials (e.g., rope, fishing net, float, buoy), underwater structures (e.g., water feed or drainage opening of steam power or atomic power plant) and polluted sludge diffusion preventive films in various marine engineering of bay coast roads, submarine tunnels, port facilities, canals and channels.
- fishing materials e.g., rope, fishing net, float, buoy
- underwater structures e.g., water feed or drainage opening of steam power or atomic power plant
- the low-temperature curing type high-solids anticorrosive coating composition of the invention is preferable as a heavy anticorrosive paint of low-temperature curing type employable in the low-temperature environment and in the cold district, and is particularly preferably used for ship's tanks (e.g., ballast tank, cargo oil tank), ship's outside plating, decks, cargo holds, underwater structures, etc.
- ship's tanks e.g., ballast tank, cargo oil tank
- ship's outside plating e.g., decks, cargo holds, underwater structures, etc.
- the above anticorrosive coating compositions of the invention can be used as anticorrosive various molded articles, such as ship's fitting and fishing tackles (e.g., float), by casting the composition itself into a mold and curing it through reaction.
- an epoxy group of the epoxy resin contained in the main agent component (A) undergoes ring opening, whereby epoxy oxygen (O) becomes a hydroxyl group (-OH), and carbon that forms the epoxy group and is present at the molecular end reacts with an amino group (-NH 2 ) in the curing agent such as an amine curing agent and is bonded to the amine curing agent by a "-NH-" bond.
- the high-solids anticorrosive coating composition of the invention is applied as a primer onto (i) a bottom of a ship or (i) a bottom and (ii) a boot topping of a ship, and then the composition is preferably dried. Subsequently, onto the primer treated parts, such an organotin-free hydrolyzable antifouling paint as described below is applied.
- the same anticorrosive coating composition of the invention is applied as a primer onto the whole of an outside plating of a ship including (i) a bottom, (ii) a boot topping and (iii) an outside board, then the composition is preferably dried, and subsequently, the below-described organotin-free hydrolyzable antifouling paint is applied onto the primer coating film formed on the bottom (i) or the bottom (i) and the boot topping (ii) of the primer treated outside plating.
- the flat bottom portion of the ship's bottom (i) is located at the underwater deepest place of a ship and is almost free from incidence of sunlight, so that the environmental conditions are relatively mild as an environment fouled by organisms, for example, the environment is unsuitable for growth of algae.
- an organotin-free hydrolyzable antifouling paint having excellent antifouling property is not used, but a conventional antifouling paint that is inexpensive and economically advantageous (e.g., rubber chloride-based antifouling paint, vinyl-based antifouling paint, acrylic-based antifouling paint) or a hydration decomposition type antifouling paint can be used, and depending upon the ship running environment, it is also possible to apply no antifouling paint.
- the outside board (iii) (outside plating above the boot topping (ii)) of a ship having been subjected to the primer treatment is exposed to intense rays of the sun or strong wind or waves and requires weathering resistance.
- the boot topping (ii) of a ship having been subjected to the primer treatment is in the severe environment where it suffers dry and wet alternating actions of immersion in seawater and exposure to air and requires weathering resistance, water resistance and sometimes antifouling property, so that the below-described organotin-free hydrolyzable antifouling paint or finish coating for boot topping is applied.
- a urethane-based, epoxy-based, acrylic-based or chlorinated polyolefin-based (rubber chloride-based) coating (paint) or an organotin-free hydrolyzable antifouling paint is preferably employed, and an epoxy-based coating (paint) or an organotin-free hydrolyzable antifouling paint is particularly preferably employed.
- the high-solids rapid-curing anticorrosive coating composition of the invention is desirably used by forcedly feeding the main agent component (A) and the curing agent component (B) that are components for constituting the paint composition to a static mixer through different feed pipes, mixing them, then guiding the resulting high-solids rapid-curing anticorrosive coating composition to a spray gun, preferably a 2-cylinder airless spray coater, and coating a base surface with the composition.
- a spray gun preferably a 2-cylinder airless spray coater
- the organotin-free hydrolyzable antifouling paint, the finish coating for outside board and the finish coating for boot topping, which are used in the above painting method, are described below.
- the organotin-free hydrolyzable antifouling paint is, for example, a paint containing (i) a trialkylsilyl ester copolymer or (ii) a vinyl-based resin in which an organic acid is bonded to at least one side chain end through an intermolecular bond owing to a metal ion (metal salt bond).
- a metal salt bond between the metal M and the organic acid is represented by -COO-M-OCO- (M is a divalent metal, such as Zn, Mg or Cu, and -COO- and -OCO- are each a site derived from a carboxyl group of the organic acid).
- trialkylsilyl ester copolymer (i) and the vinyl-based resin (ii), which are preferably used in the invention, are described below in more detail.
- the trialkylsilyl ester copolymer (i) contains constituent units derived from a trialkylsilyl ester of a polymerizable unsaturated carboxylic acid in amounts of usually 10 to 65% by weight, preferably 20 to 65% by weight, and has a number-average molecular weight (Mn, measured by GPC, in terms of polystyrene, the same shall apply hereinafter) of 1000 to 50000.
- Mn number-average molecular weight
- the trialkylsilyl ester is represented by, for example, the following formula [I].
- R 1 is a hydrogen atom or an alkyl group such as methyl
- R 2 , R 3 and R 4 are each an alkyl group of about 1 to 18 carbon atoms, such as methyl, ethyl, propyl or butyl
- R 2 , R 3 and R 4 may be the same as or different from one another.
- Examples of the trialkylsilyl esters include:
- the above trialkylsilyl esters may be used singly or in combination of two or more kinds.
- the trialkylsilyl esters preferable are those wherein at least one alkyl group of R 2 , R 3 and R 4 has 3 or more carbon atoms, and more preferable are those wherein each of the three alkyl groups has 4 or more carbon atoms. Also preferable are those wherein the total number of carbon atoms of R 2 , R 3 and R 4 is about 5 to 21.
- tributylsilyl (meth)acrylate is most preferably employed, taking into account ease of synthesis of trialkylsilyl ester, and film-forming property, storage stability and self-polishing property of an antifouling paint composition obtained using the trialkylsilyl ester.
- an arbitrary polymerizable unsaturated compound (ethylenically unsaturated monomer) is employable, and example of such polymerizable unsaturated compounds include (meth)acrylic acid alkyl esters, such as methyl (meth)acrylate, ethyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, cyclohexyl (meth)acrylate and methoxyethyl (meth)acrylate; styrenes, such as styrene and ⁇ -methylstyrene; and vinyl esters, such as vinyl acetate and vinyl propionate.
- (meth)acrylic acid alkyl esters such as methyl (meth)acrylate, ethyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, cyclohexyl (meth)acrylate and methoxyethyl (meth)acrylate
- styrenes such as
- methyl (meth)acrylate is preferably employed.
- the MMA is preferably contained in an amount of usually not less than 30% by weight, preferably not less than 50% by weight, in all the comonomers (ethylenically unsaturated monomers).
- the constituent units derived from the polymerizable unsaturated compound such as the (meth)acrylic acid alkyl ester and the constituent units derived from the trialkylsilyl ester are bonded usually at random in the copolymer by cleavage of an ethylene linkage of each monomer used as a raw material.
- constituent units derived from one or more of the above trialkylsilyl esters of polymerizable unsaturated carboxylic acids are contained as described above, and the total amount of the trialkylsilyl ester constituent units is desirably in the range of usually 10 to 65% by weight, preferably 20 to 65% by weight, more preferably 30 to 55% by weight.
- the trialkylsilyl ester constituent units are contained in the above amount in the copolymer, an antifouling coating film exhibiting excellent long-term antifouling performance is obtained from the antifouling paint composition.
- the copolymer desirably has a number-average molecular weight (Mn, measured by GPC, in terms of polystyrene, the same shall apply hereinafter) of 1,000 to 50,000, preferably 2,000 to 20,000, more preferably 2,500 to 15,000, particularly preferably 3,000 to 12,000, a weight-average molecular weight (Mw, measured by GPC, in terms of polystyrene, the same shall apply hereinafter) of usually 1,000 to 150,000, preferably 2,000 to 60,000, more preferably 3,000 to 30,000, a molecular weight distribution (Mw/Mn) of usually 1.0 to 4.0, preferably 1.0 to 3.0, particularly preferably 1.0 to 2.5, a glass transition temperature (Tg) of usually 15 to 80°C, preferably 25 to 80°C, more preferably 30 to 70°C, particularly preferably 35 to 60°C, and a viscosity (25°C), in for example a 50% xylene solution, of usually 30 to 1000 cPs,
- the film-forming copolymer is prepared by, for example, allowing a trialkylsilyl ester such as tributylsilyl methacrylate to react with polymerizable unsaturated compounds (comonomers) containing not less than 50% by weight (e.g., 80% by weight) of methyl methacrylate, in an organic solvent such as xylene usually in an inert atmosphere such as a stream of nitrogen in the presence of an azo or peroxide type polymerization initiator such as 2,2'-azobisisobutyronitrile and if necessary a polymerization regulator such as n-octylmercaptan, for about 2 to 12 hours at a temperature of about 50 to 120°C, through radical polymerization or the like.
- a trialkylsilyl ester such as tributylsilyl methacrylate
- polymerizable unsaturated compounds containing not less than 50% by weight (e.g., 80% by weight) of methyl methacryl
- each constituent unit is contained in an amount corresponding to the amount of each monomer used.
- the vinyl-based resin (ii) that is preferably contained in the organotin-free hydrolyzable antifouling paint in the invention is a vinyl-based resin in which an organic acid is bonded to at least one side chain end through an intermolecular bond owing to a metal ion (metal salt bond).
- Examples of the vinyl-based resins (ii) include those described in Japanese Patent Laid-Open Publication No. 73536/1996 , Japanese Patent Publication No. 108927/1995 , Japanese Patent Publication No. 68458/1995 and Japanese Patent Publication No. 64985/1995 . As described in, for example, Japanese Patent Laid-Open Publication No.
- the vinyl-based resin (ii) can be prepared by copolymerizing a (meth)acrylic ester (a), in which an alcohol residue of an ester is a branched alkyl group of 4 or more carbon atoms having at least one side chain on the 2nd to the 4th carbon atom from the main chain end or a cycloalkyl group of 6 or more carbon atoms, a polymerizbale unsaturated organic acid monomer (b) and a neutral polymerizable unsaturated monomer (c) to synthesize a base resin, and then allowing an acid group (e.g., -COOH, -SO 3 H) of the base resin to react with a metal compound, such as metal oxide, hydroxide, chloride or sulfide, and a monobasic organic acid (e.g., acetic acid, naphthenic acid) that is an organic acid, at the same time or allowing the base resin to react with a metal salt of a monobas
- a metal compound
- Examples of the (meth)acrylic esters (a) include t-butyl (meth)acrylate and cyclohexyl (meth)acrylate.
- Examples of the polymerizable organic acid monomers (b) include (meth)acrylic acid, maleic acid and p-styrenesulfonic acid.
- Examples of the neutral polymerizable unsaturated monomers (c) include ethylene, methyl (meth)acrylate and ethyl (meth)acrylate.
- Examples of metals to constitute the above metal compounds include divalent or higher metals, such as Cu, Zn, Mn, Ca, Fe, Al, Te and Ba.
- finish coatings for outside board examples include oil (alkyd-based) finish coatings, phthalic acid resin-based finish coatings, chlorinated polyolefin-based (rubber chloride-based) finish coatings, vinyl-based finish coatings, acrylic-based finish coatings, epoxy-based finish coatings, urethane-based finish coatings, silicone alkyd-based finish coatings, acrylic silicone-based finish coatings and fluororesin-based finish coatings.
- a urethane-based, epoxy-based, acrylic-based or chlorinated polyolefin-based (rubber chloride-based) coating is preferable, taking weathering resistance, adhesion property and economical advantage into account.
- finish coatings for outside board examples include "Unimarine” (trade name, available from Chugoku Marine Paints, Ltd., isocyanate crossliking two-pack urethane resin-based finish coating), "Epicon Marine Finish” and “Epicon Marine HB” (both: trade names, available from Chugoku Marine Paints, Ltd., modified polyamidoamine crossliking two-pack epoxy resin-based finish coating), “Ravax Finish” (trade name, available from Chugoku Marine Paints, Ltd., chlorinated polyolefin-based finish coating), and "Acri 700 Finish” (trade name, available from Chugoku Marine Paints, Ltd., acrylic resin-based finish coating).
- the finish coating for boot topping various coatings mentioned above as the finish coatings for outside board can be employed, and further, the organotin-free hydrolyzable antifouling paint is also employable.
- the urethane-based, epoxy-based, acrylic-based or chlorinated polyolefin-based (rubber chloride-based) coating or the organotin-free hydrolyzable antifouling paint is preferably employed.
- finish coatings for boot topping include "Unimarine” (trade name, available from Chugoku Marine Paints, Ltd., isocyanate crossliking two-pack urethane resin-based finish coating), "Epicon Marine Finish” and “Epicon Marine HB” (both: trade names, available from Chugoku Marine Paints, Ltd., modified polyamidoamine crossliking two-pack epoxy resin-based finish coating), “Ravax Finish” (trade name, available from Chugoku Marine Paints, Ltd., chlorinated polyolefin-based finish coating), and "Acri 700 Finish” (trade name, available from Chugoku Marine Paints, Ltd., acrylic resin-based finish coating).
- each of the above coatings for use in the invention, components usually added to coatings for ship's outside plating, such as antifouling agent, plasticizer, hydrolysis controlling agent, pigment, solvent, viscosity modifier and other additives, may be contained.
- a coating film (cured film) of the above-mentioned each coating such as a primer is formed on the outside plating of a ship by a usual method, such as airless spraying, air spraying, brushing or roller coating.
- the outside plating surface Prior to the primer coating, the outside plating surface may be cleaned to remove deposits thereon, such as rust, grease, moisture, dust, slime and salt, when needed.
- the above coatings may be used after they are diluted to proper concentrations with thinner or the like.
- each of the above coatings varies depending upon the type of a ship, the type and combination of a coating to be applied thereon, etc., and is not determined indiscriminately.
- the anticorrosive coating composition (primer) of the invention is applied onto the whole of the outside plating of a ship in an amount of, for example, 100 to 500 g/m 2 and in a thickness of about 50 to 500 ⁇ m, and its dry film thickness is in the range of about 30 to 300 ⁇ m;
- the organotin-free hydrolyzable antifouling paint is applied onto a coating film surface of the anticorrosive coating composition (primer) on the bottom (i) and the boot topping (ii) of the ship's outside plating in an amount of, for example, 200 to 800 g/m 2 and in a thickness of about 50 to 500 ⁇ m, and its dry film thickness is in the range of about 30 to 300 ⁇ m; and the urethane coating is applied onto a coating film surface of
- the coating conditions are set to, for example, a primary (air) pressure of about 4 to 8 kgf/cm 2 , a secondary (paint) pressure of about 100 to 180 kgf/cm 2 and a gun traveling rate of about 50 to 120 cm/sec. These conditions are similar to those in the coating operation of a cargo tank or the like with the high-solids rapid-curing anticorrosive coating composition by airless spraying.
- the number of coating times of each coating (paint) is not specifically restricted and can be properly determined according to the paint concentration, the desired thickness, etc., so that the coating may be carried out once or plural times.
- Examples of ships on which the above coating (paint) is applied and cured so as to give the above thickness (painted ships) include metal ships, such as tanker, cargo boat, passenger boat, fishing boat, barge and floating dock.
- the anticorrosive coating composition having excellent capability of being coated with various finish coatings is used as a primer for other areas than the outside plating, such as exposed area (deck), superstructure (housing), hold and ballast tank, an effect of drastically reducing the kinds of the coatings (paints) used for the whole ship is exerted.
- the present invention by coating, in addition to the outside plating, the exposed area (deck), the superstructure (housing), the hold and the ballast tank with the same primer for undercoating (anticorrosive coating composition of the invention) as above and then coating them with the same primer for finish coating (anticorrosive coating composition of the invention), the effect of the invention can be much more expected.
- the same anticorrosive coating composition is applied as a primer onto the whole of an outside plating area (A) of a ship constituted of (i) a bottom, (ii) a boot topping and (iii) an outside board and the whole of an exposed area (B) of a ship present on the upper side of a deck and constituted of (iv) a deck and (v) a superstructure, and then preferably dried.
- the following organotin-free hydrolyzable antifouling paint is applied onto the primer coating film formed on the bottom (i) or the bottom (i) and the boot topping (ii), further a finish coating for outside board is applied onto the outside board (iii), and a finish coating for deck is applied onto the deck (iv).
- a finish coating for superstructure may be applied.
- a finish coating for boot topping can be applied onto the primer coating film formed on the boot topping (ii), when needed.
- the flat bottom portion of the ship's bottom (i) is located at the underwater deepest place of a ship and is almost free from incidence of sunlight, so that the environmental conditions are relatively mild as an environment fouled by organisms, for example, the environment is unsuitable for growth of algae.
- the organotin-free hydrolyzable antifouling paint having excellent antifouling property is not used, but a conventional antifouling paint that is inexpensive and economically advantageous (e.g., rubber chloride-based antifouling paint, vinyl-based antifouling paint, acrylic-based antifouling paint) or a hydration decomposition type antifouling paint can be used, and depending upon the ship running environment, it is also possible to apply no antifouling paint.
- a conventional antifouling paint that is inexpensive and economically advantageous (e.g., rubber chloride-based antifouling paint, vinyl-based antifouling paint, acrylic-based antifouling paint) or a hydration decomposition type antifouling paint can be used, and depending upon the ship running environment, it is also possible to apply no antifouling paint.
- the outside board (outside plating above the boot topping) of a ship and the exposed area (B) that is present on the upper side of a deck and constituted of a deck (iv) and a superstructure (v), which have been subjected to the primer treatment, are exposed to intense rays of the sun or strong wind or waves and requires weathering resistance.
- the boot topping of a ship having been subjected to the primer treatment is in the severe environment where it suffers dry and wet alternating actions of immersion in seawater and exposure to air and requires weathering resistance, water resistance and sometimes antifouling property, so that the below-described organotin-free hydrolyzable antifouling paint or finish coating for boot topping is applied.
- a urethane-based, epoxy-based, acrylic-based or chlorinated polyolefin-based (rubber chloride-based) coating (paint) or an organotin-free hydrolyzable antifouling paint is preferably employed, and an epoxy-based coating (paint) or an organotin-free hydrolyzable antifouling paint is particularly preferably employed.
- the organotin-free hydrolyzable antifouling paint, the finish coating for outside board and the finish coating for boot topping, which are used in the above painting method, are described below.
- the organotin-free hydrolyzable antifouling paint is an organotin-free hydrolyzable antifouling paint containing at least one hydrolyzable resin selected from the group consisting of (i) a trialkylsilyl ester copolymer, (ii) a vinyl-resin in which an organic acid is bonded to at least one side chain end through an intermolecular bond owing to a metal ion (metal salt bond), and (iii) an unsaturated carboxylic acid metal salt-based copolymer.
- a hydrolyzable resin selected from the group consisting of (i) a trialkylsilyl ester copolymer, (ii) a vinyl-resin in which an organic acid is bonded to at least one side chain end through an intermolecular bond owing to a metal ion (metal salt bond), and (iii) an unsaturated carboxylic acid metal salt-based copolymer.
- the component (i) and the component (ii) are the same as the trialkylsilyl ester copolymer (i) and the vinyl-based resin (ii) for constituting the organotin-free hydrolyzable antifouling paint described above in the first method for painting the exterior of a ship, respectively.
- the unsaturated carboxylic acid metal salt-based copolymer (iii) is described in detail hereinafter.
- the unsaturated carboxylic acid metal salt-based copolymer (iii) (a) a (meth)acrylic acid hydroxy metal salt-based copolymer or (b) a (meth)acrylic acid metal salt-based copolymer containing no hydroxyl group bonded to a metal atom is preferably employed.
- the (meth)acrylic acid hydroxy metal salt-based copolymer (a) has long-term slight-water-solubility as a vehicle component and has a function of imparting long-term antifouling property to a coating film.
- the (meth)acrylic acid hydroxy metal salt-based copolymer is preferably such a resin [II] represented by the following formula [II] and having metal carboxylate in a molecule as described in Japanese Patent Laid-Open Publication No. 209005/1996 and Japanese Patent Laid-Open Publication No. 286933/1997 .
- Rp-COOM-OH [II] In the formula [II], Rp is a base resin, and M is a divalent metal atom.
- the (meth)acrylic acid hydroxy metal salt-based copolymer as the resin [II] represented by the above formula [II] and having a carboxyl group in a molecule can be obtained by allowing a resin having a carboxyl group in a molecule to react with an oxide or hydroxide of a divalent metal in the presence of a small amount of water.
- the oxide or hydroxide of a metal is used in an amount of 0.1 to 1 mol based on 1 mol of the carboxyl group in the resin, and water is used in an amount of 0.1 to 1 mol based on 1 mol of the carboxyl group.
- a vinyl-based polymer obtained by copolymerizing a carboxyl group-containing monomer such as (meth)acrylic acid with an acrylic acid alkyl ester (e.g., methyl methacrylate, ethyl acrylate) or another vinyl-based monomer such as styrene is preferably employed.
- a vinyl-based polymer obtained by copolymerizing a carboxyl group-containing monomer such as (meth)acrylic acid with an acrylic acid alkyl ester (e.g., methyl methacrylate, ethyl acrylate) or another vinyl-based monomer such as styrene is preferably employed.
- vinyl polymers other than the above vinyl-based polymer, polyester, polyurethane, natural resins, etc. as far as they contain a carboxyl group.
- oxide or hydroxide of a divalent metal an oxide or hydroxide of copper, zinc, calcium, magnesium or iron, e.g., zinc oxide, is employed, and an oxide or hydroxide of zinc is preferably employed.
- polar solvent an alcohol-based solvent such as butanol, a ketone-based solvent, an ester-based solvent or an ether-based solvent is employed.
- the (meth)acrylic acid hydroxy metal salt-based copolymer obtained as above has a number-average molecular weight (Mn, measured by GPC, in terms of polystyrene, the same shall apply hereinafter) of usually 1,000 to 50,000, preferably 3,000 to 20,000, a glass transition temperature (Tg) of -10°C to +60°C, preferably +10°C to +40°C, and an acid value of 80 to 200.
- Mn number-average molecular weight measured by GPC, in terms of polystyrene, the same shall apply hereinafter
- Tg glass transition temperature
- the (meth)acrylic acid hydroxy metal salt-based copolymer is desirably contained as a resin component in an amount of usually 1 to 99% by weight, preferably 10 to 70% by weight, in the antifouling paint composition.
- a surface of the resulting coating film tends to have long-term and stable erodibility and antifouling property.
- the (meth)acrylic acid metal salt-based copolymer (b) containing no hydroxyl group bonded to a metal atom, which is employable in the invention, has long-term slight-water-solubility as a vehicle component and has a function of imparting long-term antifouling property to a coating film.
- the (meth)acrylic acid metal salt-based copolymer is, for example, such a copolymer as described in Japanese Patent Laid-Open Publication No.
- 171066/1993 which is obtained by copolymerizing a (meth)acrylic acid metal salt (i) as a polymerizable monomer, a monomer (ii) copolymerizable with the (meth)acrylic acid metal salt and having a hydroxyl group and/or an amino group, and another monomer (iii) copolymerizable with the monomers (i) and (ii), and contains constituent units derived from the (meth)acrylic acid metal salt (i) in amounts of usually 2 to 30% by weight, constituent units derived from the monomer (ii) having a hydroxyl group and/or an amino group in amounts of 2 to 30% by weight and constituent units derived from the monomer (iii) in the residual amounts, i.e., 40 to 96% by weight, with the proviso that the total amount ((i)+(ii)+(iii)) is 100% by weight.
- metals to constitute the (meth)acrylic acid metal salts include metals of Ib, IIa, IIb, IIIa, IIIb, IVa, IVb, Va, Vb, VIb, VIIb and VIII Groups, specifically, divalent or higher metals, such as Cu, Zn, Ni, Co, Pb, Al, Sn and Mg.
- the vinyl-based monomer (ii) having a hydroxyl group and/or an amino group may be a monomer, a dimer, a trimer or the like provided that it has any one of a hydroxyl group and an amino group, and is specifically a monomer having one hydroxyl group, such as 2-hydroxyethyl (meth)acrylate, 2-hydroxypropyl (meth)acrylate, 3-hydroxypropyl (meth)acrylate or 2-hydroxybutyl (meth)acrylate.
- an adduct of 2-hydroxyethyl (meth)acrylate with ethylene oxide, propylene oxide, ⁇ -butyrolactone, ⁇ -caprolactone or the like a dimer or a trimer, such as 2-hydroxyethyl (meth)acrylate or 2-hydroxypropyl (methe)acrylate
- a monomer having plural hydroxyl groups such as glycerol (meth)acrylate.
- the monomer having an amino group may be a monomer having any of primary to tertiary amino groups.
- monomers include primary or secondary amino group-containing monomers, such as (meth)acrylamide and butylaminoethyl (meth)acrylate; dimethylaminoethyl (meth)acrylate, diethylaminoethyl (meth)acrylate, dimethylaminopropyl (meth)acrylate, dimethylaminobutyl (meth)acrylate, dibutylaminoethyl (meth)acrylate, dimethylaminoethyl (meth)acrylamide and dimethylaminopropyl (meth)acrylamide.
- heterocyclic basic monomers such as vinylpyrrolidone, vinylpyridine and vinylcarbazole.
- the "another monomer (iii)" copolymerizable with at least one of the (meth)acrylic acid metal salt (i) and the monomer (ii) may be an aliphatic, alicyclic or aromatic monomer.
- (meth)acrylic esters include:
- carboxylic acids such as (meth)acrylic acid, itaconic acid, maleic acid and succinic acid; esters derived from these carboxylic acids; styrene, vinyltoluene, ⁇ -methylstyrene, (meth)acrylonitrile, vinyl acetate and vinyl propionate.
- the above monomers (i), (ii) and (iii) can be each used singly or in combination of two or more kinds.
- the (meth)acrylic acid metal salt-based copolymer obtained by copolymerization of the monomers (i), (ii) and (iii) has a number-average molecular weight (Mn, measured by GPC, in terms of polystyrene, the same shall apply hereinafter) of usually 5,000 to 100,000 and has a glass transition temperature (Tg) of about -20°C to +50°C.
- Mn number-average molecular weight
- Tg glass transition temperature
- the (meth)acrylic acid metal salt-based copolymer (b) is desirably contained as a resin component in an amount of usually 1 to 99% by weight, preferably 10 to 70% by weight, in the antifouling paint composition. When the (meth)acrylic acid metal salt-based copolymer is contained in this amount in the antifouling paint composition, a surface of the resulting coating film tends to have stable and long-term erodibility and antifouling property.
- the (meth)acrylic acid metal salt-based copolymer is prepared in accordance with a process described in Japanese Patent Laid-Open Publication No. 171066/1993 , and for example, the (meth)acrylic acid metal salt (i), the monomer (ii) having a hydroxyl group and/or an amino group and the "another monomer (iii)" copolymerizable with the monomers (i) and (ii) in amounts corresponding to the amounts of the constituent units in the copolymer have only to be mixed with an organic solvent such as toluene and then subjected to solution polymerization at a temperature of 60 to 180°C for 5 to 14 hours in the presence of a radical polymerization initiator.
- an organic solvent such as toluene
- the finish coating for outside board is as described above in the first method for painting the exterior of a ship.
- the finish coating for boot topping is as described above in the first method for painting the exterior of a ship.
- finish coatings for deck examples include oil (alkyd-based) finish coatings, phthalic acid resin-based finish coatings, chlorinated polyolefin-based (rubber chloride-based) finish coatings, vinyl-based finish coatings, acrylic-based finish coatings, epoxy-based finish coatings, urethane-based finish coatings, silicone alkyd-based finish coatings, acrylic silicone-based finish coatings and fluororesin-based finish coatings.
- a urethane-based, epoxy-based, acrylic based or chlorinated polyolefin-based (rubber chloride-based) coating is preferable, taking weathering resistance, adhesion and economical advantage into account.
- finish coatings for deck examples include "Unimarine” (trade name, available from Chugoku Marine Paints, Ltd., isocyanate crossliking two-pack urethane resin-based finish coating), "Epicon Marine Finish” and “Epicon Marine HB” (both: trade names, available from Chugoku Marine Paints, Ltd., modified polyamidoamine crossliking two-pack epoxy resin-based finish coating), “Ravax Finish” (trade name,'available from Chugoku Marine Paints, Ltd., chlorinated polyolefin-based finish coating), and "Acri 700 Finish” (trade name, available from Chugoku Marine Paints, Ltd., acrylic resin-based finish coating).
- finish coatings for superstructure examples include oil (alkyd-based) finish coatings, phthalic acid resin-based finish coatings, chlorinated polyolefin-based (rubber chloride-based) finish coatings, vinyl-based finish coatings, acrylic-based finish coatings, epoxy-based finish coatings, urethane-based finish coatings, silicone alkyd-based finish coatings, acrylic silicone-based finish coatings and fluororesin-based finish coatings.
- a urethane-based, epoxy-based, acrylic based or chlorinated polyolefin-based (rubber chloride-based) coating is preferable, taking weathering resistance, adhesion and economical advantage into account.
- finish coatings for superstrucure examples include "Unimarine” (trade name, available from Chugoku Marine Paints, Ltd., isocyanate crossliking two-pack urethane resin-based finish coating), "Epicon Marine Finish” and “Epicon Marine HB” (both: trade names, available from Chugoku Marine Paints, Ltd., modified polyamidoamine crossliking two-pack epoxy resin-based finish coating), “Ravax Finish” (trade name, available from Chugoku Marine Paints, Ltd., chlorinated polyolefin-based finish coating), and "Acri 700 Finish” (trade name, available from Chugoku Marine Paints, Ltd., acrylic resin-based finish coating).
- each of the above coatings (paints) for use in the invention components usually added to coatings for ship's outside plating, such as antifouling agent, plasticizer, hydrolysis controlling agent, pigment, solvent, viscosity modifier and other additives, may be contained.
- a coating film (cured film) of the above-mentioned each coating such as a primer is formed on the outside plating of a ship by a usual method, such as airless spraying, air spraying, brushing or roller coating.
- the outside plating surface Prior to the primer coating, the outside plating surface may be cleaned to remove deposits thereon, such as rust, grease, moisture, dust, slime and salt, when needed.
- the above coatings may be used after diluted to proper concentrations with thinner or the like.
- each of the above coatings varies depending upon the type of a ship, the type and combination of a coating to be applied thereon, etc., and is not determined indiscriminately.
- the anticorrosive coating composition (primer) of the invention is applied onto the whole of the outside plating area (A) of a ship and the whole of the surface of the exposed area (B) on the upper side of a deck in an amount of, for example, 100 to 500 g/m 2 and in a thickness of about 50 to 500 ⁇ m, and its dry film thickness is in the range of about 30 to 300 ⁇ m;
- the organotin-free hydrolyzable antifouling paint is applied onto the primer layer on the bottom (i) and the boot topping (ii) of the ship's outside plating in an amount of, for example, 200 to 800 g/m 2 and in a thickness of about 50 to 500 ⁇ m, and its dry film thickness is in the range of about 30 to 300 ⁇ m;
- the urethane is applied onto the whole
- the coating conditions are set to, for example, a primary (air) pressure of about 4 to 8 kgf/cm 2 , a secondary (paint) pressure of about 100 to 180 kgf/cm 2 and a gun traveling rate of about 50 to 120 cm/sec.
- the number of coating times of each coating is not specifically restricted and can be properly determined according to the paint concentration, the desired thickness, etc., so that the coating may be carried out once or plural times.
- Examples of ships on which the above paint (coating) is applied and cured so as to give the above thickness (painted ships) include metal ships, such as tanker, cargo boat, passenger boat, fishing boat, barge and floating dock.
- the anticorrosive coating composition having excellent capability of being coated with various finish coatings is used as a primer for the outside plating area (A) and the exposed area (B) on the upper side of a deck, so that an effect of drastically reducing the kinds of the paints used for the whole ship is exerted.
- the effect of the invention can be much more expected.
- the anticorrosive coating film of the invention is formed from the first or the second high-solids anticorrosive coating composition of the invention, or it is formed from the high-solids rapid-curing anticorrosive coating composition of the invention.
- the first painted ship of the invention is a ship coated with an anticorrosive coating film formed from the first or the second high-solids anticorrosive coating composition of the invention or the high-solids rapid-curing anticorrosive coating composition of the invention.
- the first painted ship of the invention is preferably a ship coated with a coating film formed by the first or the second method for painting the exterior of a ship according to the invention using the high-solids anticorrosive coating composition.
- the second painted ship of the invention is preferably a ship coated with a coating film formed by the method comprising forcedly feeding the main agent component (A) and the curing agent component (B) for constituting the high-solids rapid-curing anticorrosive coating composition to a static mixer through different feed pipes, mixing them, then guiding the resulting high-solids rapid-curing anticorrosive coating composition to a spray gun and coating a base surface with the composition.
- the painted part of a ship coated with a coating film formed from the high-solids rapid-curing anticorrosive coating composition is preferably a cargo tank or a ballast tank of a ship.
- a painted part inside a ship is not usually intended to be repeatedly coated with various coatings as in the case of the exterior of a ship.
- the underwater structure of the invention is an underwater structure coated with an anticorrosive coating film formed from the high-solids anticorrosive coating composition or the high-solids rapid-curing anticorrosive coating composition of the invention.
- underwater structures examples include water feed or drainage openings of steam power or atomic power plants, floodgates, bridge piers and port facilities.
- Main agent components and curing agent components of anticorrosive coating compositions were prepared in accordance with formulations shown in Tables 1 and 2.
- the main agent component was prepared by sufficiently dispersing a blend by a paint shaker using glass beads, and the curing agent component was prepared by homogeneously mixing a blend by a high-speed dispersing machine.
- the main agent component and the curing agent component were mixed in a weight ratio shown in Tables 1 and 2, prior to use.
- Epoat 834-85X bispenol A type epoxy resin (semi-solid at ordinary temperature), available from Yuka-Shell Epoxy Co., Ltd., epoxy equivalent: 290 to 310, xylene-cut product, NV: 85%)
- Cardolite NX4764 alkylphenol glycidyl ether, available from Cardolite Corporation, epoxy equivalent: 400
- DME-111 dimer acid modified epoxy resin, available from Ohtake-Meishin Chemical Co., Ltd., epoxy equivalent: 245 to 275, xylene-cut product, NV: 90%
- HILENOL PL-1000S C9 fraction petroleum resin, available from KOLON Chemical Co., Ltd.
- M-CURE 400 tetrafunctional aliphatic acrylate, equivalent: 80 to 90, available from SARTOMER COMPANY, INC.
- NAD-1 available from Ohtake-Meishin Chemical Co., Ltd., active hydrogen equivalent: 96
- IPDA adduct Adduct of isophoronediamine with epoxy resin
- AD-101 available from Ohtake-Meishin Chemical Co., Ltd., active hydrogen equivalent: 96
- MAD204(A) MXDA Mannich polyamine, condensate of metaxylenediamine, formaldehyde and phenol, available from Ohtake-Meishin Chemical Co., Ltd.
- Cardolite NX4918 Phenolkamine adduct, available from Cardolite Corporation
- F-2 Talc (general talc, available from Fuji Talc Industrial Co., Ltd.)
- Titanium White R-5N (available from Sakai Chemical Industry Co., Ltd., titanium dioxide)
- KBM403 ⁇ -glycidoxypropyltrimethoxysilane, Shin-Etsu Chemical Co., Ltd.
- a test plate (material: steel SS-400) of 150 mm ⁇ 70 mm ⁇ 2.3 mm (without hole) having been subjected to sand blasting was subjected to an impact resistance test in accordance with the ISO-6272 Dupont system using an impact tester (trade name: Dupont Impact Tester, manufactured by Taiyu Kizai K.K.) under the conditions of 1/4 inch, 1 kg and 50 cm, and the impact resistance was evaluated based on the following criteria.
- test plate used in "(5) Test of impact resistance” was used, and the lower part of the test plate was provided with a cut line reaching the base. Then, the test plate was immersed in 3% salt water at 40°C for 90 days (3M), and after a lapse of 30 days and a lapse of 90 days, an appearance of the coating film was observed and evaluated based on the following criteria (in accordance with JIS K-5600 6-1).
- test plate used in "(5) Test of impact resistance” was used.
- the test plate was immersed in 3% salt water at 40°C for 90 days (3M) in accordance with ASTM G-8, and electric anticorrosion property was evaluated based on the following criteria.
- test plate used in "(5) Test of impact resistance” was used.
- the test plate was held in a tester at a temperature of 50°C and a humidity of 95% for 90 days (3M), and every 30 days, an appearance of the coating film was observed and evaluated based on the following criteria (in accordance with JIS K-5600 7-2).
- the test plate used in "(5) Test of impact resistance” was used.
- the test plate was immersed in such an immersion tank that the coated surface of the test plate should be brought into contact with warm water of 50°C and the back surface thereof should be brought into contact with water of 20°C.
- After 4 days, 7 days and 10 days an appearance of the coating film was evaluated.
- size of blister and degree of occurrence thereof were evaluated based on the following criteria and expressed by an ASTM classification mark (ASTM D 714-56).
- ASTM classification mark ASTM classification mark
- test strip was immersed for 14 days in all. Then, an X-shaped cut was made on the coating film of the test strip with a knife, and adhesion was evaluated based on the following criteria (in accordance with JIS K-5400 6-18.5.3).
- test plate used in "(5) Test of impact resistance” was used.
- the test plate was placed in a container containing equal amounts of an A heavy oil and 3% salt water, at 60°C for 90 days (3M)*. After the immersion, the test plate was pulled up, and adhesion of the coating film and corrosion of the base were visually observed and evaluated based on the following criteria.
- the anticorrosive coating composition was sprayed by an air sprayer, dried and immediately subjected to outdoor exposure. After an interval of a given time, the following finish coating was applied.
- the resulting test plate was dried at room temperature for 7 days and then immersed in salt water for 1 month. After the test plate was pulled up, a cross-cut adhesion test was carried out, and interlaminar adhesion was evaluated based on the following criteria.
- Cross-cut adhesion test (in accordance with JIS K5400 8.5.2): Cuts reaching the base were made at intervals of 2 mm so as to form 25 squares. Onto the squares, a cellophane tape was attached. Then, one end of the tape was peeled at an angle of about 45°, and peeling (peeling ratio) of the coating film was observed.
- Main agent components and curing agent components of anticorrosive coating compositions were prepared in accordance with formulations shown in Table 7.
- the main agent component and the curing agent component were each prepared by homogeneously mixing a blend by a high-speed dispersing machine.
- the main agent component and the curing agent component were mixed in a weight ratio shown in Table 7, prior to use.
- the high-solids rapid-curing anticorrosive coating compositions were subjected to various property tests in the same manner as in Example 1. (In these tests, the points different from those of the tests in Example 1 are described in the above descriptions of the test methods and in Tables 7 to 9 and their "Notes (Tables 7 to 9)".
- AER260 bisphenol A type epoxy resin (liquid at ordinary temperature, available from Asahi Kasei Epoxy Co., Ltd., epoxy equivalent: 190, NV: 100%)
- WH-039 MXDA Mannich polyamine, available form Dainippon Ink & Chemicals Inc., active hydrogen equivalent: 98
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004233390 | 2004-08-10 | ||
PCT/JP2005/014693 WO2006016625A1 (ja) | 2004-08-10 | 2005-08-10 | ハイソリッド防食塗料組成物及びハイソリッド急速硬化性防食塗料組成物、船舶等の塗装方法、得られるハイソリッド防食塗膜及びハイソリッド急速硬化防食塗膜、これらの塗膜で被覆されている塗装船舶および水中構造物 |
Publications (4)
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EP1788048A1 true EP1788048A1 (de) | 2007-05-23 |
EP1788048A4 EP1788048A4 (de) | 2008-05-14 |
EP1788048B1 EP1788048B1 (de) | 2010-10-06 |
EP1788048B2 EP1788048B2 (de) | 2016-01-06 |
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EP05770522.0A Active EP1788048B2 (de) | 2004-08-10 | 2005-08-10 | Hochfeste, antikorrosive beschichtungszusammensetzung, hochfeste, schnellhärtende, antikorrosive beschichtungszusammensetzung, beschichtungsverfahren für ein schiff oder ähnliches, hochfester, antikorrosiver film und daraus gewonnener schellhärtender, hochfester, antikorrosiver film sowie beschichtetes schiff und mit diesem beschichtungsfilm beschichtete unterwasserstruktur |
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US (1) | US20090226729A1 (de) |
EP (1) | EP1788048B2 (de) |
JP (1) | JP4558737B2 (de) |
KR (1) | KR100863875B1 (de) |
CN (1) | CN101001929B (de) |
DE (1) | DE602005024022D1 (de) |
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Also Published As
Publication number | Publication date |
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DE602005024022D1 (de) | 2010-11-18 |
CN101001929A (zh) | 2007-07-18 |
RU2007108519A (ru) | 2008-09-20 |
WO2006016625A1 (ja) | 2006-02-16 |
JPWO2006016625A1 (ja) | 2008-05-01 |
KR100863875B1 (ko) | 2008-10-15 |
EP1788048B1 (de) | 2010-10-06 |
RU2357992C2 (ru) | 2009-06-10 |
US20090226729A1 (en) | 2009-09-10 |
EP1788048A4 (de) | 2008-05-14 |
CN101001929B (zh) | 2010-09-08 |
EP1788048B2 (de) | 2016-01-06 |
KR20070043034A (ko) | 2007-04-24 |
JP4558737B2 (ja) | 2010-10-06 |
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